Here's an episode guide, for your reference. (Taken from www.tvtome.com )

Season 1
1. 1-1 14-Sep-1972 The Foundling
2. 1-2 186305 21-Sep-1972 The Carnival
3. 1-3 28-Sep-1972 The Calf
4. 1-4 05-Oct-1972 The Hunt
5. 1-5 12-Oct-1972 The Typewriter
6. 1-6 19-Oct-1972 The Star
7. 1-7 26-Oct-1972 The Sinner
8. 1-8 02-Nov-1972 The Boy From the C.C.C.
9. 1-9 09-Nov-1972 The Ceremony
10. 1-10 16-Nov-1972 The Legend
11. 1-11 30-Nov-1972 The Literary Man
12. 1-12 07-Dec-1972 The Dust Bowl Cousins
13. 1-13 14-Dec-1972 The Reunion
14. 1-14 21-Dec-1972 The Minstrel
15. 1-15 04-Jan-1973 The Actress
16. 1-16 11-Jan-1973 The Fire
17. 1-17 18-Jan-1973 The Love Story
18. 1-18 25-Jan-1973 The Courtship
19. 1-19 01-Feb-1973 The Gypsies
20. 1-20 08-Feb-1973 The Deed
21. 1-21 22-Feb-1973 The Scholar
22. 1-22 01-Mar-1973 The Bicycle
23. 1-23 08-Mar-1973 The Townie
24. 1-24 19-Apr-1973 An Easter Story (1)
25. 1-25 19-Apr-1973 An Easter Story (2)

Season 2
26. 2-1 13-Sep-1973 The Journey
27. 2-2 20-Sep-1973 The Odyssey
28. 2-3 27-Sep-1973 The Separation
29. 2-4 04-Oct-1973 The Theft
30. 2-5 11-Oct-1973 The Roots
31. 2-6 18-Oct-1973 The Chicken Thief
32. 2-7 25-Oct-1973 The Prize
33. 2-8 01-Nov-1973 The Braggart
34. 2-9 08-Nov-1973 The Fawn
35. 2-10 15-Nov-1973 The Thanksgiving Story (1)
36. 2-11 15-Nov-1973 The Thanksgiving Story (2)
37. 2-12 22-Nov-1973 The Substitute
38. 2-13 29-Nov-1973 The Bequest
39. 2-14 13-Dec-1973 The Air Mail Man
40. 2-15 20-Dec-1973 The Triangle
41. 2-16 03-Jan-1974 The Awakening
42. 2-17 10-Jan-1974 The Honeymoon
43. 2-18 17-Jan-1974 The Heritage
44. 2-19 24-Jan-1974 The Gift
45. 2-20 31-Jan-1974 The Cradle
46. 2-21 07-Feb-1974 The Fulfillment
47. 2-22 14-Feb-1974 The Ghost Story
48. 2-23 21-Feb-1974 The Graduation
49. 2-24 07-Mar-1974 The Five Foot Shelf
50. 2-25 14-Mar-1974 The Car

Season 3
51. 3-1 12-Sep-1974 The Conflict (1)
52. 3-2 12-Sep-1974 The Conflict (2)
53. 3-3 19-Sep-1974 The First Day
54. 3-4 26-Sep-1974 The Thoroughbred
55. 3-5 03-Oct-1974 The Runaway
56. 3-6 10-Oct-1974 The Romance
57. 3-7 17-Oct-1974 The Ring
58. 3-8 24-Oct-1974 The System
59. 3-9 31-Oct-1974 The Spoilers
60. 3-10 07-Nov-1974 The Marathon
61. 3-11 14-Nov-1974 The Book
62. 3-12 21-Nov-1974 The Job
63. 3-13 05-Dec-1974 The Departure
64. 3-14 12-Dec-1974 The Visitor
65. 3-15 19-Dec-1974 The Birthday
66. 3-16 02-Jan-1975 The Lie
67. 3-17 09-Jan-1975 The Matchmakers
68. 3-18 16-Jan-1975 The Beguiled
69. 3-19 23-Jan-1975 The Caretakers
70. 3-20 30-Jan-1975 The Shivaree
71. 3-21 06-Feb-1975 The Choice
72. 3-22 13-Feb-1975 The Statue
73. 3-23 20-Feb-1975 The Song
74. 3-24 27-Feb-1975 The Woman
75. 3-25 06-Mar-1975 The Venture

Season 4
76. 4-1 11-Sep-1975 The Sermon
77. 4-2 18-Sep-1975 The Genius
78. 4-3 25-Sep-1975 The Fighter
79. 4-4 02-Oct-1975 The Prophecy
80. 4-5 09-Oct-1975 The Boondoggle
81. 4-6 16-Oct-1975 The Breakdown
82. 4-7 23-Oct-1975 The Wing-Walker
83. 4-8 30-Oct-1975 The Competition
84. 4-9 06-Nov-1975 The Emergence
85. 4-10 13-Nov-1975 The Loss
86. 4-11 20-Nov-1975 The Abdication
87. 4-12 04-Dec-1975 The Estrangement
88. 4-13 11-Dec-1975 The Nurse
89. 4-14 18-Dec-1975 The Intruders
90. 4-15 01-Jan-1976 The Search
91. 4-16 08-Jan-1976 The Secret
92. 4-17 15-Jan-1976 The Fox
93. 4-18 22-Jan-1976 The Burn Out (1)
94. 4-19 22-Jan-1976 The Burn Out (2)
95. 4-20 29-Jan-1976 The Big Brother
96. 4-21 05-Feb-1976 The Test
97. 4-22 12-Feb-1976 The Quilting
98. 4-23 19-Feb-1976 The House
99. 4-24 26-Feb-1976 The Fledgling
100. 4-25 04-Mar-1976 The Collision

Season 5
101. 5-1 23-Sep-1976 The First Edition
102. 5-2 30-Sep-1976 The Vigil
103. 5-3 07-Oct-1976 The Comeback
104. 5-4 14-Oct-1976 The Baptism
105. 5-5 21-Oct-1976 The Fire Storm
106. 5-6 28-Oct-1976 The Nightwalker
107. 5-7 04-Nov-1976 The Wedding (1)
108. 5-8 04-Nov-1976 The Wedding (2)
109. 5-9 11-Nov-1976 The Cloudburst
110. 5-10 18-Nov-1976 The Great Motorcycle Race
111. 5-11 02-Dec-1976 The Pony Cart
112. 5-12 09-Dec-1976 The Best Christmas
113. 5-13 16-Dec-1976 The Last Mustang
114. 5-14 23-Dec-1976 The Rebellion
115. 5-15 06-Jan-1977 The Ferris Wheel
116. 5-16 13-Jan-1977 The Elopement
117. 5-17 20-Jan-1977 John's Crossroad
118. 5-18 27-Jan-1977 The Career Girl
119. 5-19 03-Feb-1977 The Hero
120. 5-20 10-Feb-1977 The Inferno
121. 5-21 17-Feb-1977 The Heartbreaker
122. 5-22 24-Feb-1977 The Long Night
123. 5-23 03-Mar-1977 The Hiding Place
124. 5-24 10-Mar-1977 The Go-Getter
125. 5-25 17-Mar-1977 The Achievement

Season 6
126. 6-1 15-Sep-1977 The Hawk
127. 6-2 22-Sep-1977 The Stray
128. 6-3 29-Sep-1977 The Recluse
129. 6-4 13-Oct-1977 The Warrior
130. 6-5 20-Oct-1977 The Seashore
131. 6-6 27-Oct-1977 The Volunteer
132. 6-7 03-Nov-1977 The Grandchild (1)
133. 6-8 03-Nov-1977 The Grandchild (2)
134. 6-9 10-Nov-1977 The First Casualty
135. 6-10 17-Nov-1977 The Battle of Drucilla's Pond
136. 6-11 01-Dec-1977 The Flight
137. 6-12 05-Dec-1977 The Children's Carol (1)
138. 6-13 05-Dec-1977 The Children's Carol (2)
139. 6-14 08-Dec-1977 The Milestone
140. 6-15 22-Dec-1977 The Celebration
141. 6-16 05-Jan-1978 The Rumor
142. 6-17 12-Jan-1978 Spring Fever
143. 6-18 26-Jan-1978 The Festival
144. 6-19 02-Feb-1978 The Anniversary
145. 6-20 09-Feb-1978 The Family Tree
146. 6-21 16-Feb-1978 The Ordeal (1)
147. 6-22 16-Feb-1978 The Ordeal (2)
148. 6-23 16-Mar-1978 The Return (1)
149. 6-24 16-Mar-1978 The Return (2)
150. 6-25 23-Mar-1978 The Revelation
151. 6-26 30-Mar-1978 Grandma Comes Home

Season 7
152. 7-1 21-Sep-1978 The Empty Nest (1)
153. 7-2 21-Sep-1978 The Empty Nest (2)
154. 7-3 28-Sep-1978 The Calling
155. 7-4 12-Oct-1978 The Moonshiner
156. 7-5 19-Oct-1978 The Obsession
157. 7-6 26-Oct-1978 The Changeling
158. 7-7 02-Nov-1978 The Portrait
159. 7-8 09-Nov-1978 The Captive
160. 7-9 16-Nov-1978 The Illusion
161. 7-10 23-Nov-1978 The Beau
162. 7-11 07-Dec-1978 Day of Infamy
163. 7-12 14-Dec-1978 The Yearning
164. 7-13 28-Dec-1978 The Boosters
165. 7-14 04-Jan-1979 The Conscience
166. 7-15 11-Jan-1979 The Obstacle
167. 7-16 18-Jan-1979 The Parting
168. 7-17 25-Jan-1979 The Burden
169. 7-18 08-Feb-1979 The Pin-Up
170. 7-19 15-Feb-1979 The Attack
171. 7-20 22-Feb-1979 The Legacy
172. 7-21 01-Mar-1979 The Outsider
173. 7-22 08-Mar-1979 The Torch
174. 7-23 15-Mar-1979 The Talespin
175. 7-24 22-Mar-1979 Founders' Day

Season 8
176. 8-1 20-Sep-1979 The Home Front (1)
177. 8-2 20-Sep-1979 The Home Front (2)
178. 8-3 27-Sep-1979 The Kinfolk
179. 8-4 04-Oct-1979 The Diploma
180. 8-5 11-Oct-1979 The Innocents
181. 8-6 18-Oct-1979 The Starlet
182. 8-7 25-Oct-1979 The Journal
183. 8-8 01-Nov-1979 The Lost Sheep
184. 8-9 08-Nov-1979 The Violated (1)
185. 8-10 22-Nov-1979 The Waiting (2)
186. 8-11 29-Nov-1979 The Silver Wings
187. 8-12 13-Dec-1979 The Wager
188. 8-13 20-Dec-1979 The Spirit
189. 8-14 27-Dec-1979 The Fastidious Wife
190. 8-15 03-Jan-1980 The Unthinkable
191. 8-16 10-Jan-1980 The Idol
192. 8-17 17-Jan-1980 The Prodigals
193. 8-18 24-Jan-1980 The Remembrance
194. 8-19 31-Jan-1980 The Inspiration
195. 8-20 07-Feb-1980 The Last Straw
196. 8-21 14-Feb-1980 The Traveling Man
197. 8-22 21-Feb-1980 The Furlough
198. 8-23 28-Feb-1980 The Medal
199. 8-24 13-Mar-1980 The Valediction

Special
S-1 22-May-1980 A Decade of the Waltons

Season 9
200. 9-1 27-Nov-1980 The Outrage (1)
201. 9-2 27-Nov-1980 The Outrage (2)
202. 9-3 04-Dec-1980 The Pledge
203. 9-4 18-Dec-1980 The Triumph
204. 9-5 25-Dec-1980 The Premonition
205. 9-6 01-Jan-1981 The Pursuit
206. 9-7 08-Jan-1981 The Last Ten Days
207. 9-8 15-Jan-1981 The Move
208. 9-9 22-Jan-1981 The Whirlwind
209. 9-10 05-Feb-1981 The Tempest
210. 9-11 12-Feb-1981 The Carousel
211. 9-12 19-Feb-1981 The Hot Rod
212. 9-13 26-Feb-1981 The Gold Watch
213. 9-14 05-Mar-1981 The Beginning
214. 9-15 12-Mar-1981 The Pearls
215. 9-16 19-Mar-1981 The Victims
216. 9-17 02-Apr-1981 The Threshold
217. 9-18 07-May-1981 The Indiscretion
218. 9-19 14-May-1981 The Heartache
219. 9-20 21-May-1981 The Lumberjack
220. 9-21 28-May-1981 The Hostage
221. 9-22 04-Jun-1981 The Revel

TV Movie
M-1 22-Feb-1982 A Wedding on Walton's Mountain
M-2 09-May-1982 Mother's Day on Walton's Mountain
M-3 22-Nov-1982 A Day for Thanks on Walton's Mountain
M-4 21-Nov-1993 A Walton Thanksgiving Reunion
M-5 12-Feb-1995 A Walton Wedding
M-6 31-Mar-1997 A Walton Easter