The Greatest American Hero (1) - S1-E1
Continuity mistake: When Ralph picks up the chair that was tossed out of his classroom, in the exterior shot he walks into the room holding the backrest's left metal post, but in the interior shot as he walks in Ralph is now holding the backrest's right metal post. (00:05:35)
The Greatest American Hero (1) - S1-E1
Continuity mistake: When Ralph is driving his station wagon, the rearview mirror disappears and reappears between the interior and exterior shots.
The Greatest American Hero (1) - S1-E1
Continuity mistake: While Bill and Ralph are in the car, John Mackie appears under the ship carrying the case with the suit. After John places the case in the car's trunk he walks back towards the ship empty handed, but in the last shot of John standing under the ship he's still holding the case.
The Greatest American Hero (1) - S1-E1
Continuity mistake: In one scene, Ralph is in a phone booth desperately trying to make a phone call. Ralph is nervous and panicky. But when you look at his reflection on the phone, you can see a big relaxed smile on him. When it cuts back to him, he is still acting nervous and panicky.
