Continuity mistake: When Mario, Toad and Luigi are driving to the rebel fort, the seatbelts they are wearing disappear for most of the scene. (00:17:30 - 00:18:40)
Continuity mistake: In season 1 Hobbie was 13 and in season 2 he is 10 years old.
The Leap Home (1) - November 25, 1969 - S3-E1
Factual error: The Post Raisin Bran cereal box sitting on the Beckett family breakfast table in 1969 has a 1990s box design. (00:18:00)
Kotsuban uranai! Ranma wa nihonichi no oyomesan - S1-E14
Continuity mistake: In the ending, when Tofu's mom asks "You must be Kasumi, right?", she is in front of Nabiki in the long shot, but correctly faces Kasumi in a closer angle. (00:20:25)