Revealing mistake: In the warehouse, after Michael calls him, when KITT busts through the door, the plastic sheeting used inside the driver's window to hide the stunt driver is noticeable.
Slammin' Sammy's Stunt Show Spectacular - S1-E5
Revealing mistake: As KITT goes into ski Mode to show Sammy what he can do, the stunt driver is obvious, and there's a bar mounted on the door just back from the driver's mirror for the driver to hold on to. Also, the regular steering wheel is easily spotted through the windshield.
Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (1) - S1-E1
Revealing mistake: As KITT goes up on two wheels to go between two cars in the Demolition Derby, it's the stunt driver.
Nobody Does It Better - S1-E21
Revealing mistake: When you see KITT driving after Michael is released from prison, you can see that it is a stunt driver and a normal steering wheel. The driver also isn't talking yet we hear Michael's voice. (00:15:50)
White Bird - S1-E19
Revealing mistake: When Michael crashes through the side of the plane, you can see a pulley attached to the front wheel of the plane, which then is released. (00:40:15 - 00:40:50)
Revealing mistake: When K.I.T.T is called by Michael to get between them at the drive by shooting, you can see on the right side of K.I.T.T all the special effect plugs that replicate gun fire hitting the car. (00:09:20)
Inside Out - S1-E10
Revealing mistake: When the bad guy says "Deploy" and K.I.T.T breaks off from the convoy, you can see a normal steering wheel in the car. (00:35:05)
Revealing mistake: When K.I.T.T turbo boosts near the end when chasing the 4x4 you can see the camera strapped to the side of the car. (00:42:35)
Revealing mistake: When Michael and K.I.T.T turbo boost the flame thrower and disable the fire engine, Michael says to K.I.T.T "get the clown." During the shot prior to K.I.T.T pinning the clown in you see the hands steering K.I.T.T appear above the dash.
Revealing mistake: At the beginning when Michael has KITT move the truck, you can see the dolly apparatus that makes the truck's rear end swing out.
Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (1) - S1-E1
Revealing mistake: When the hoods try to steal KITT the second time, you can tell they go from outside, to a soundstage just before throwing the "brick." Then you can see the reflection of someone throwing the fake brick at KITT, then you see someone's hand throwing the fake brick at the second hood's face.
Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (1) - S1-E1
Revealing mistake: Outside the Comtron building, as KITT moves toward the guard covering Michael, the stunt driver is easily seen, as he's so poorly disguised.
Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (1) - S1-E1
Revealing mistake: As KITT backs away from the guard after Michael jumps in, skid marks where there were other takes.
Suggested correction: As he drives away, you can see the parking lot has skid marks all over the place. It's impossible to say they came from other takes.
White Bird - S1-E19
Revealing mistake: When Michael grabs the newspaper to read about Stevie's abduction, all paragraphs are the same one, starting with the words "The facts".
Revealing mistake: In the scene where two truckers try to smash up KITT with baseball bats, and KITT supposedly moves a bit backwards by himself, you can see someone 'helping' him near the passenger's seat.
Revealing mistake: The inside shots of Kitt's voice modulator are repeated over and over, with the camera slightly moving sideways, to give the impression of the car running. Problem is, many times the car is at a standstill, so the moving camera shot is inconsistent.