Character mistake: Karen says the train she spotted was going north. There was no way to know which way the train was going to go.
Frosty the Snowman (1969)
1 character mistake - chronological order
Directed by: Arthur Rankin Jr., Jules Bass
Starring: Paul Frees, Billy De Wolfe, Jackie Vernon, Jimmy Durante
Continuity mistake: When the kids are playing "follow the leader", they show the same kid (same exact clothing, hair color, and animation) hopping over Frosty twice, back-to-back. (00:09:37)
The Magician: We evil magicians have to make a living, too.