The Hand That Rocks the Mabel - S1-E4
Continuity mistake: When Mabel gets back from her date with Gideon, she finds Dipper reading the 3rd journal on the sofa. However, there is a 2 on the book instead of a 3. (00:06:08)
Gravity Falls (2012)
1 continuity mistake in season 1
Starring: Linda Cardellini, Jason Ritter, Kristen Schaal, Alex Hirsch
Weirdmageddon 2: Escape from Reality - S2-E19
Continuity mistake: Bill is holding a spoon, but when the camera cuts away and back, he is not holding the spoon anymore. This also happens to Ford when holding him.
More trivia for Gravity Falls