I do this once in a while. Here's a list of all the episodes and the cast that appeared in each episode. This only includes the main players (Jack, Janet, Chrissy, The Ropers, Larry, Furley, Lana, Cindy and Terri).

If you notice any mistakes I made, please tell me. I want this to be an accurate list.

Here's what "*" and "**" indicate in the list.

* - They guest starred. They weren't yet in the opening credits, but appeared in the episode.

** = Suzanne Somers appears from her Mother's house over the phone. Even though Suzanne was still a credited cast member, I just did this to let you know, that she only appears via telephone.

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Season One: 1977

1. “A Man About the House”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

2. “And Mother Makes Four”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

3. “Roper’s Niece”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

4. “No Children, No Dogs”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

5. “Jack the Giant Killer”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

6. “It’s Only Money”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

Season Two: 1977-1978

7. “Ground Rules”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

8. “Jack Looks for a Job”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

9. “Janet’s Promotion”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

10. “Strange Bedfellows”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

11. “Chrissy’s Date”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

12. “Alone Together”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

13. “Roper’s Car”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

14. “Cyrano De Tripper”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

15. “Chrissy’s Night Out”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

16. “Stanley Casanova”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

17. “Janet’s High School Sweetheart”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

18. “Jack’s Uncle”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

19. “Helen’s Job”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

20. “Three’s Christmas”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

21. “The Gift”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

22. “The Rivals”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

23. “The Baby Sitters”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

24. “Home Movies”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

25. “Jack In the Flower Shop”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

26. “Jack’s Navy Pal”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

27. “Will the Real Jack Tripper…”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

28. “Days of Beer and Weeds”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

29. “Chrissy Come Home”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

30. “Bird Song”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

31. “Coffee, Tea or Jack?”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

Season Three: 1978-1979

32. “Double Date”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

33. “Good Old Reliable Janet”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

34. “The Love Diary”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

35. “The Fast”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

36. “Helen’s Rendezvous”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

37. “My Sister’s Keeper”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

38. “Chrissy and the Guru”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

39. “Larry’s Bride”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

40. “Chrissy’s New Boss”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

41. “The Crush”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

42. “The Kleptomaniac”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

43. “The Party’s Over”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

44. “Eleanor’s Return”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

45. “The Older Woman”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

46. “Stanley’s Hotline”
John Ritter as Jack Tripper
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

47. “The Catered Affair”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

48. “The Best Laid Plans”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper
*Richard Kline as Larry Dallas

49. “The Harder They Fall”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

50. “The Bake-Off”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

51. “An Anniversary Surprise”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Norman Fell as Mr. Stanley Roper
Audra Lindley as Mrs. Helen Roper

52. “Jack Moves Out”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
*Richard Kline as Larry Dallas

53. “Triangle Troubles”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow

Season Four: 1979-1980

54. “Jack On the Lam”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

55. “Love Thy Neighbor”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Ann Wedgeworth as Lana Shields

56. “The New Landlord”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

57. “Snow Job”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

58. “Jack the Ripper”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

59. “The Life Saver”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

60. “Old Folks at Home”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley

61. “A Camping We Will Go”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

62. “Chrissy’s Hospitality”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley

63. “The Loan Shark”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

64. “The Love Barge”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley
Ann Wedgeworth as Lana Shields

65. “Ralph’s Rival”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

66. “A Black Letter Day”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Ann Wedgeworth as Lana Shields

67. “The Reverend Steps Out”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

68. “Larry Loves Janet”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

69. “Mighty Mouth”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

70. “The Love Lesson”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

71. “Handcuffed”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley

72. “And Baby Makes Two”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley

73. “Jack’s Bad Boy”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley

74. “Lee Ain’t Heavy, He’s My Brother”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Don Knotts as Mr. Ralph Furley

75. “The Root of All Evil”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

76. “Secret Admirer”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

77. “The Goodbye Guy”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

78. “Jack’s Graduation”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

Season Five: 1980-1981

79. “Upstairs, Downstairs, Downstairs”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

80. “…And Justice for Jack”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

81. “A Hundred Dollars a What?”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Suzanne Somers as Chrissy Snow
Richard Kline as Larry Dallas

82. “Downhill Chaser”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

83. “A Crowded Romance”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas

84. “Room at the Bottom”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
**Suzanne Somers as Chrissy Snow

85. “Chrissy’s Cousin”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

86. “Jack to the Rescue”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow
**Suzanne Somers as Chrissy Snow

87. “The Not-So-Great Imposter”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

88. “Jack’s Other Mother”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
*Jenilee Harrison as Cindy Snow
**Suzanne Somers as Chrissy Snow

89. “Make Room for Daddy”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow
**Suzanne Somers as Chrissy Snow

90. “Janet’s Secret”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

91. “Father of the Bride”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow
**Suzanne Somers as Chrissy Snow

92. “Furley Vs. Furley”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

93. “In Like Larry”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow
**Suzanne Somers as Chrissy Snow

94. “Teacher’s Pet”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
*Jenilee Harrison as Cindy Snow

95. “And Baby Makes Four”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow
**Suzanne Somers as Chrissy Snow

96. “Night of the Ropers”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow
*Norman Fell as Mr. Stanley Roper
*Audra Lindley as Mrs. Helen Roper

97. “Double Trouble”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

98. “Dying to Meet You”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

99. “The Case of the Missing Blonde”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

100. “Honest Jack Tripper”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley
*Jenilee Harrison as Cindy Snow

Season Six: 1981-1982

101. “Jack Bares All” (Hour Long)
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

102. “Terri Makes Her Move”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

103. “Professor Jack”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

104. “Some of That Jazz”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

105. “Lies My Roommate Told Me”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

106. “Two Flew Over the Cuckoo’s Nest”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

107. “Eyewitness Blues”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

108. “Boy Meets Dummy”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

109. “Dates of Wrath”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

110. “Macho Man”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

111. “Strangers In the Night”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

112. “The Matchbreakers”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

113. “The Holy Guest, (aka Oh, Nun)”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

114. “Maid to Order”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow

115. “Hearts and Flowers”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

116. “Urban Plowboy”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

117. “A Friend In Need”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

118. “Jack’s 10”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

119. “Doctor In the House”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

120. “Critic’s Choice”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

121. “Paradise Lost”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

122. “And Now Here’s Jack”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

123. “Janet Wigs Out”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Jenilee Harrison as Cindy Snow
Don Knotts as Mr. Ralph Furley

124. “Up In the Air”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

125. “Mate for Each Other”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

Season Seven: 1982-1983

126. “A Night to Remember”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

127. “Jack Goes to the Dentist”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden

128. “Diamond Jack”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

129. “Extra, Extra”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

130. “Jack Gets His”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

131. “Opening Night”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

132. “Cousin, Cuisine”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

133. “An Affair to Forget”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

134. “The Brunch”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

135. “The Impossible Dream”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

136. “Breaking Up Is Hard to Do”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

137. “Larry’s Sister”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

138. “Bob & Carol & Larry & Terri”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

139. “Going to Pot”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

140. “Star Struck”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

141. “Jack Goes the Distance”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

142. “Jack’s Double Date”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

143. “Janet’s Little Helper”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

144. “The Apartment”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

145. “Hair Today, Gone Tomorrow”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

146. “Navy Blues”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

147. “Borrowing Trouble”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

Season Eight: 1983-1984

148. “Jack Be Quick”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

149. “She Loves Me, She Loves Me Not”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

150. “The Money Machine”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

151. “Out On a Limb”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

152. “Alias Jack Tripper”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

153. “Hearing Is Believing”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

154. “Grandma Jack”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

155. “Like Father, Like Son”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden

156. “The Odd Couples”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

157. “Now You See It, Now You Don’t”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas

158. “The Charming Stranger”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

159. “Janet Shapes Up”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

160. “Itching for Trouble”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Don Knotts as Mr. Ralph Furley

161. “Baby, It’s Cold Inside”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

162. “Look What I Found”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

163. “Jack’s Tattoo”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

164. “Jack Takes Off”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

165. “Forget Me Not”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

166. “The Heiress”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

167. “Cupid Works Overtime”
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden

168. “Friends and Lovers” (Hour Long)
John Ritter as Jack Tripper
Joyce DeWitt as Janet Wood
Priscilla Barnes as Terri Alden
Richard Kline as Larry Dallas
Don Knotts as Mr. Ralph Furley

Suzanne Somers appeared as a regular in episodes 1-82. Then she did occassional appearances from her mother's house during episodes 84-95. Her final appearance on the set was "A Hundred Dollars a What?" and her final appearance on the show was "And Baby Makes Four".

Jenilee Harrison appeared in episodes 85-100 as a roommate. She wasn't a cast member then. Oddly enough the episode where she became a cast member was the one where she moved out. Episode 123 "Janet Wigs Out" was her final episode.

Priscilla Barnes debuted in episode 101 and remained for the rest of the series.

Norman Fell and Audra Lindley appeared in episodes 1-51. They both guest starred in episode 96. "Night of the Ropers." That's their official final episode.

Ann Wedgeworth was a regular from episodes 55-66, with "Black Letter Day" being her final episode.

Don Knotts was a regular from episodes 56 to the end of the show.

Richard Kline appeared in every season. He didn't offically join the cast until the fourth season. Before that he appeared in one episode from season 1, four episodes from season 2, and seven episodes from season 3.

Hey! This is GREAT! Very impressed...is it possible to do one for "One Day At A Time" and post it in its forum???

Hey! This is GREAT! Very impressed...is it possible to do one for "One Day At A Time" and post it in its forum???

Nope. I could only do this show because of the DVDs. Once "One Day at a Time" comes to DVD, I could do it then. I'm planning on doing one for "Mary Tyler Moore" though. And a few other shows. Sometime next week, I'll try to post up season seven of TC. And then whenever season eight comes out, I'll add that to my list.

Thanks for the compliment and I'm sorry about ODAAT.

I've just added season 7 to the list. Come October, or whenever season 8 comes out, I'll add that to my list.

I finally got season 8 on DVD, so I'll try to add the final season to my original post here soon.

Okay I've finished the list - FINALLY!

Here's the final tally:
168 episodes (I count the hour long episodes as one each. I don't count the "Best of Three's Company" as an episode, but rather a special.)

John Ritter as Jack Tripper - He's the only cast member to appear in ALL 168 episodes.

Joyce DeWitt as Janet Wood - She appeared in all but 1 episode, "Stanley's Hotline" from season three. So that means she's in 167 episode total.

Suzanne Somers as Chrissy Snow - She appeared in every episode of the first four seasons. Then season five came. She appeared in two episodes, 501 and 503 before going away to her mothers house and making special cameos on the phone. She was in 80 episodes in person and 7 episodes from her mother's house. Making her total 87 episodes.

Norman Fell and Audra Lindley as The Ropers - They both appeared together in the first 51 episodes, only missing the last two episodes of the third season. Those episodes took place after the Ropers moved away though. So they weren't expected to be there. They both returned in episode 97, in the fifth season. And that's all she wrote for Stanley and Helen. Giving them a total of 52 episodes.

Richard Kline as Larry Dallas - He was a guest star for seasons 1 thru 3, before becoming a cast member in seasons 4 thru 8. The final tally for Larry is 94 episodes. It seems like there should be more, but that's the count I got.

Don Knotts as Mr. Furley - He joined the show in season 4 and remained till the end. The final tally for him is 85 episodes.

Anne Wedgeworth as Lana Shields - She was only in season 4 and appeared in a total of 9 episodes.

Jenilee Harrison as Cindy Snow - She was on the show for seasons 5 and 6. She made a total of 27 episodes.

Priscilla Barnes as Terri Alden - She joined the show in season 6 and lasted till the end. She appeared in every episode of the last three seasons, making her total 68 episodes.

To repeat:
Jack - 168
Janet - 167
Chrissy - 87
The Ropers - 52
Larry - 94
Mr. Furley - 85
Lana - 9
Cindy - 27
Terri - 68