Aired: February 20, 1975 | Season: 3 | Episode: 21

Overview
Runtime: 60m
Directed by: Robert Douglas
Written by: Larry Brody
Guest stars: Belinda Montgomery, Bettye Ackerman, James Olson, Michael Anderson Jr., Robert Walker Jr., Robert Yuro
Description
Keller goes undercover at a mental hospital to uncover the truth about a string of mysterious deaths.