Continuity mistake: Professor Rodriguez points his finger to the map twice as he explains Mexican mythology to Kolchak.
Continuity mistake: When Madeleine informs Kolchak she knows when he is lying, Kolchak's hat is riding high above his eyebrows, but when he turns to smash a mirror, his hat is now sitting much lower.
Continuity mistake: The nurse call device falls off the patient's bed twice as The Energy Eater attacks.
The Spanish Moss Murders - S1-E9
Continuity mistake: As Kolchak speaks with Dr. Hollenbeck, Hollenbeck's hand switches between resting on the planting table to off as the shots instantly cut.
The Spanish Moss Murders - S1-E9
Continuity mistake: The microphone the female reporter holds to record Captain Siska instantly switches hands.
They Have Been, They Are, They Will Be... - S1-E3
Continuity mistake: Officer Crowley is speaking through a bullhorn and taking cover behind his police car door when Kolchak approaches him from behind, asking what is going on. The next shot the bullhorn has disappeared.
They Have Been, They Are, They Will Be... - S1-E3
Continuity mistake: After Kolchak asks Officer Crowley what is going on, a police officer taking cover behind them instantly disappears when the shot cuts.
The Zombie - S1-E2
Continuity mistake: When Kolchak and Monique arrive at the shootout between the cops and the bad guys, Monique puts the camera to her eyes and exits Kolchak's car twice.
Continuity mistake: Madelaine's arms instantly switch from crossed to uncrossed when she speaks to Kolchak at Trevi's salon.
The Vampire - S1-E4
Continuity mistake: At the press briefing, Lt. Matteo is standing next to Kolchak with a tall reporter in a gray suit standing behind them, but the next quick long shot shows the reporter in the gray suit standing between Kolchak and Matteo.