Visible crew/equipment: When he opens the door to enter the Biology classroom, a crew member's hand is seen grabbing hold of the door as it swings open.
The Spanish Moss Murders - S1-E9
Continuity mistake: After Kolchak spears the moss monster in the sewer, he grabs the ladder with both hands. The next overhead shot of him shows him grabbing the ladder again.
Bad Medicine - S1-E8
Continuity mistake: A female worker in the newsroom is seen behind Miss Emily as Emily speaks to Vincenzo and Kolchak, then walks away. In the closeup shot of Miss Emily, the worker is again behind Emily with no time for the worker to return.
Continuity mistake: When the headless biker attempts to run over Studs Spake, the biker crosses in front of the prone Spake. The instant shot then shows the biker crossing again, but this time behind Spake.
Visible crew/equipment: When the gust of wind blows into Helen's temple, the shadow of the giant fan creating the effect is seen.
Continuity mistake: When Kolchak enters Pops' store, Pops places his newspaper on the counter. Scene cuts and he still has the newspaper in hand.
Visible crew/equipment: A boom mike drops several times from the top into the scene of Kolchak and Pepe Torres' office.
Revealing mistake: The footage of the traffic in front of Springfield Hospital where Helen Lynch is recuperating is recycled later in the episode.
Continuity mistake: When Kolchak looks through the window blinds at the crooks on the street, his fingers change position on the blinds as the scene cuts.
Continuity mistake: When Kolchak approaches Madelaine with the witch's bag, it is upright in his hand. The scene quickly cuts and now the bag is hanging down in his fist.
Continuity mistake: Stock footage shows the same dress mannequins moving from and then staying in their same positions, even after moving and attacking Kolchak.
Continuity mistake: Mr. Kitzmiller's secretary is about eye level with Kolchak when the camera shot is over Kolchak's left shoulder, but in the shots over the secretary's right shoulder she towers over him.
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.
Continuity mistake: Captain Molnar's arms go from being in front of his chest to down at his sides and back again as he and Kolchak speak outside the police squad room.
Continuity mistake: Outside the police squad room, Captain Molnar grasps Kolchak's left hand, but the next shot shows Molnar's hands at his sides.
Other mistake: Vincenzo is looking at a photo of the gorilla Kolchak took of it earlier in the episode. It is a side shot, but Kolchak took two pics when he encountered it, one frontal, and the other shot as the creature was running away from Kolchak and the authorities.
Continuity mistake: Mr. Burton and Kolchak each hold a photo of the ape man's foot prints, but the next shot shows Kolchak holding all of the photos.
Horror in the Heights - S1-E11
Continuity mistake: Opening scene shows Kolchak driving his convertible Mustang with the roof top up, but the next shots show the car with the roof top down and stowed.
Horror in the Heights - S1-E11
Continuity mistake: The pencil in Kolchak's left shirt pocket instantly moves from right to left as he gets advice from Miss Emily.
Continuity mistake: As Madeleine tells Kolchak about Madame Trevi being a witch, her right hand is sometimes on Kolchak's left shoulder, sometimes off as the scene cuts.