I am missing 18 episodes of this series and wonder if anyone out there has them. Please send me a PM if you do.

season four
School of Fear 10/9/75
Most Likely to Succeed 6/3/76

season five
(in addition, if someone has the season opener as the two parter - not the editied together version from Goodtimes, I'd be interested)
Dead or Alive 10/21/76
Castle of Fear 11/11/76
Till Death Do Us Part 11/18/76
Child of Anger 12/2/76
In Case of Madness 12/23/76
One Last Trick 1/5/77
Monkey Is Back 1/13/77
The Cannibals 1/20/77
Who Killed Helen French? 2/3/77
A Good Cop...But 2/10/77
Innocent No More 2/24/77
Once a Con 3/3/77
Interlude 4/28/77
Breakup 5/12/77
Let's Pretend We're Strangers 5/19/77
Time Out 6/16/77