Continuity mistake: The lit flashlight dropped on the floor by the soon-to-be beheaded victim disappears in subsequent shots.
Revealing mistake: The headless motorcycle rider's torso and arms are not in proportion to a real motorbike rider. The torso is obviously made larger to accommodate the stunt bike rider.
Revealing mistake: The pre-cut hole in the garage door is visible before and after the motorcycle busts through it.
The Werewolf - S1-E5
Revealing mistake: It is obviously a dummy in a woman's dress The Werewolf throws into the empty swimming pool.
The Werewolf - S1-E5
Visible crew/equipment: In the cabin scene between Eric Braeden and the ship's purser, the shadow of a boom mike and a crew member can be seen.
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.
Horror in the Heights - S1-E11
Revealing mistake: The bulky material/block that secures the crossbow arrow shot into Miss Emily's torso can be seen under her clothing.
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.
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.
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.
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.
