Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (1) - S1-E1
Revealing mistake: When the hoods are trying to take KITT one prepares to toss a brick at the window. If you slow it down, you can see a reflection of the crew member really close to the window. When the "brick" hits the window, you hear breaking glass, but no glass breaks. Also, the brick hits the other hood on the forehead, yet causes no injury, and no bleeding.
Revealing mistake: Watch the scene where Michael fights two guys for a purse. Michael calls KITT for help. When KITT jumps off a cliff, an old vehicle is the one that jumps off the cliff instead.
Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (1) - S1-E1
Continuity mistake: When the police helicopter sees dead Michael by the car, he turns 180ยบ around between shots.
Just My Bill - S1-E6
Other mistake: Just as Michael jumps over the roadblock, the whole front of K.I.T.T. flexes showing it's not a real Trans-Am but a mock up.
Other mistake: When Michael is carrying Micki up the cliff, she's supposed to be unconscious. But he's not holding on to her and her hand stays wrapped around his neck to hold on. Not something she should be able to do. When they're near the top, her hand position changes, but she's still able to hold onto him.
Knight Rider [Pilot; a.k.a. Knight of the Phoenix] (2) - S1-E2
Revealing mistake: When the 2 crooks take KITT, when Michael's on the phone, KITT takes over and the driver keeps saying he's not doing anything and isn't touching the wheel. When KITT is doing donuts, you see the driver's hands on the wheel, and he's the one doing the driving.
No Big Thing - S1-E8
Other mistake: When the semi is approaching Michael head on, KITT tell Michael to hit the brake, which Michael does. Then KITT tells Michael to put it in reverse, which Michael does. But then KITT says "why reverse, we could have jumped over?" as if he wasn't the one who suggested reversing.
Good Day at White Rock - S1-E4
Revealing mistake: After we first see the pack of bikers riding, it cuts to two guys on bikes. They're being towed on a platform of some sort because the never turn their handlebars or front wheel but still turn with the curves in the road.
Continuity mistake: When Michael starts to scrape the blue paint off the shell, he scratches across the blue band and you see a few scrape marks where the paint is gone and it's white, like the shell, underneath. In the close up, it's slowly scraping such a small potion of the paint off and you see it's yellow underneath now.
Continuity mistake: When Michael notices the accident report folder, the folder is touching the red candy basket. When goes to steal it by putting it under the basket, the folder is now further away.
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.
Other mistake: When the guy goes to go around KITT to get behind Michael, as KITT cranks up, you see movement in the front seat.
White Bird - S1-E19
Visible crew/equipment: After KITT cuts the plane in half, the camera looking on the left side of the plane is mounted to the wing's underside. A moment later, when KITT nears it, the camera is gone.
Visible crew/equipment: As KITT starts back up the hill, if you look at the lower left side of the screen as he starts up, you see a black cable pulling the car.
Visible crew/equipment: At the Victory Academy, as the group walks by the brown sedan, the light rigs and camera crew and equipment is reflected on the side.
White Bird - S1-E19
Visible crew/equipment: As KITT goes to jump over the fence of the airport, the helmeted stunt driver is seen, as well as part of the ramp pops up into view. Also, you can plainly see that it's the lightweight stunt car, as you can see though it from the bottom.
White Bird - S1-E19
Other mistake: As the guy is shooting at KITT at the retreat, the sparks of the bullets run down the passenger side toward the oak tree with the blue and white umbrella on the patio. Even though Stevie is a blond wearing a blue sweater, the profile and arm appears to be Michael. A moment later, same thing down the driver side, with Michael's arm and profile.
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.
Nobody Does It Better - S1-E21
Visible crew/equipment: When KITT jumps over the creek, as the angle changes to show the car in flight, the action camera for exterior shots is plain to see mounted on the passenger side.
Visible crew/equipment: At the end, as Michael and KITT do the run up to the jump at the tan van, the action camera can be seen on the lower portion of the passenger side.
Answer: KITT didn't choose to go off the cliff in Goliath Returns, it just happened as he tried to avoid Goliath. Just 'cus it happened, doesn't mean It's gonna cure his fear of "flying"