Other mistake: At the end, when Bill and Ted reunite with their wives, one of them mentioned hearing Ted say something about distributing instruments to everyone throughout all time. However, Ted said this a minute or 2 before they arrived. We even see the phonebooth they are in land after the statement was made. Therefore, there was no way for his wife to hear him say that.


Other mistake: When they are meeting in Hogsmeade to discuss having Harry train them in Defense Against The Dark Arts, Susan Bones asks Harry if it was true he could produce a Patronus Charm. After Harry said yes, everyone is impressed and surprised. However in The Prisoner Of Azkaban, Harry produces a Patronus during the Quidditch match when Malfoy was dressed as a Dementor. This was done in front of the whole school. So everyone at the meeting shouldn't have been surprised.


Upvote valid corrections to help move entries into the corrections section.

Suggested correction: This is about a full corporeal patronus. This is much more difficult and nobody has seen Harry do that before.


He does produce a corporeal patronus at the quidditch match. As Dumbledore references at the end of PoA "I remembered the most unusual form your patronus took, when it charged Mr Malfoy down at your quidditch match."

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