Audio problem: When Comicus is announced in Caesar's court, the trumpeters play "Hooray for Hollywood". Notice that the music starts before they get their instruments to their mouths.
History of the World: Part I (1981)
1 audio problem - chronological order
Directed by: Mel Brooks
Starring: Dom DeLuise, Mel Brooks, Madeline Kahn, Gregory Hines, Harvey Korman
Visible crew/equipment: When Comicus and his entourage are on the road to Judea, the tire tracks of the vehicle carrying the camera are blatantly clear in the lower part of the picture.
Count De Monet: Your Majesty, you look like the piss boy.
King Louis XVI: And you look like a bucket of shit.
Trivia: Gregory Hines was cast as a last-minute replacement for then controversial comedian Richard Pryor, who had severely burned himself while freebasing cocaine.