Continuity mistake: When the bus is brought out of the hangar for its maiden trip, the top of the front of the bus just clears the top of the roof. When it parks outside, the rear section has a glass roof which wouldn't clear the roof without damaging either the bus or the hangar roof.
The Big Bus (1976)
1 continuity mistake
Directed by: James Frawley
Starring: Stockard Channing, Rene Auberjonois, John Beck, Joseph Bologna
Audio problem: When the lifeguard says "Come on, everybody" at the swimming pool, his mouth doesn't move.
Dan: Quick, how many decisions have I made today?
Trivia: Stockard Channing almost drowned during the scene where the bus' kitchen is flooded by the soda machines.