When KITT jumps the roadblock, a bush is seen at the side of the road. But when KITT was approaching the roadblock, there was no bush.
While in the garage, the second time KITT moves the gear level moves from low 1 to reverse. KITT was parked, so it could not be in low 1.
When in the garage, the first time KITT moves that gear select lever moves from low 1 to neutral. KITT was parked so it could not be in low 1 which would allow KITT to move.
The pilot of the Bell 206 JetRanger is seen on the left side, but 206's are piloted from the right side. When Michael jumps out and leaves the helicopter with no one on board there is a brief view of a pilot on the right (correct) piloting side to safely land the craft for the simulated crash landing.
When KITT jumps the roadblock the front of the car flies up and reveals the car is a fake.
When on the dirt road and KITT releases the smoke screen you can see the car is on flat pavement and the driver door is open.
When KITT is moving in the garage you can see someone crouching in the passenger foot well.
Mr. Knight says that he thought that the Foundation didn't get involved in politics, and Mr. Miles replies that as a rule it doesn't. The Foundation's full name is 'The Foundation for Law and Government', and it does get involved in things that are political in nature in the future, including the next episode.
At one point, Sen. Maggie Flynn tells Michael Knight not to call her "Senator" because only her "enemies" call her that. However, throughout the episode, plenty of allies and friends call her "senator" without her bothering to correct them.