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.

Revealing: During the Inquisition song when Right Before Mel Brooks Plays bongos on the guys heads he slides in from behind the wooden torture things. If you look closely the hair on the stunt double sliding in is darker than Mel's.

Revealing: When Comicus et al are running from the Roman soldiers, Miriam pulls Comicus through a secret marble door. When it closes, you can see the glue residue revealing that it's Formica.

Visible crew/equipment: During the Inquisition song, right before Mel Brooks says "Skit skat Vodely dat Boopadyday" or something like that, the shadow of a pole is visible on the steps to the right.

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.