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)
Kotsuban uranai! Ranma wa nihonichi no oyomesan - S1-E14
Continuity mistake: Heading back to the doctor's house and practice, Tofu preceded by Nabiki is carrying a pile of gifts. The second package from below is wrapped with a blue checkered pattern, which turns into red a couple of shots later. (00:10:55)