Character mistake: The animal control officer tells Kolchak he was crazy shooting off a flash bulb at the gorilla, but the first frontal shot Kolchak took of the gorilla did not flash at all.
The Werewolf - S1-E5
Revealing mistake: It is obviously a dummy in a woman's dress The Werewolf throws into the empty swimming pool.
Carl Kolchak: If you want a job done right, you just have to foul it up yourself.
More trivia for Kolchak: The Night Stalker