Revealing mistake: As Kolchak drives down the street, tall palm trees are visible in the background. Palm trees would not grow in the climate of Chicago in early September, when this episode takes place.
Kolchak: The Night Stalker (1974)
1 revealing mistake in Firefall
Starring: Darren McGavin, Simon Oakland, Jack Grinnage, Ruth McDevitt
They Have Been, They Are, They Will Be... - S1-E3
Continuity mistake: While Tony Vincenzo is eating, his butter knife instantly turns into a fork in the next shot.
Carl Kolchak: If you want a job done right, you just have to foul it up yourself.
More trivia for Kolchak: The Night Stalker