Revealing mistake: When Vercingétorix leaves the Romans to go to Gergovia there is a stone mason by the road carving what is probably a distance marker. The man's chisel is obviously not in contact with the stone - while he is banging it with the hammer it is waving around in the air. (00:17:00)
Revealing mistake: In the intro (or one of the intros, rather), they narrate Pootie Tang's origin. A fake newspaper called "New York Pone" is shown, with the front page dedicated to baby Pootie and his invention of a new language. All fun and everything, but the prop is sloppy; you can read below the name of this fake 70s newspaper the URL of the New York Post' s website and the date in April 2001. (00:08:35)
Revealing mistake: When Professor Oak is getting a book from a bookshelf, the book appears out of nowhere. (01:15:52)
Revealing mistake: The tentacle slaps the Captain, but he's already got the wound.