1973 · 20 episodes
September 25, 1973 · 30m
October 2, 1973 · 30m
October 9, 1973 · 30m
October 16, 1973 · 30m
October 30, 1973 · 30m
November 6, 1973 · 30m
November 13, 1973 · 30m
Normally nervous Mercy has been positively frantic since he began receiving letters from a disgruntled patient. He doesn't know the writer's idenity, but the message is clear-Mercy will be murdered! (30 mins)
November 20, 1973 · 30m
December 4, 1973 · 30m
December 11, 1973 · 30m
December 18, 1973 · 30m
December 25, 1973 · 30m
January 8, 1974 · 30m
July 18, 1974 · 30m
July 25, 1974 · 30m
August 1, 1974 · 30m
July 8, 1974 · 30m
August 15, 1974 · 30m
August 22, 1974 · 30m
August 29, 1974 · 30m