Shanpû no hangeki! Hissatsu shiatsuken wa mimo kokomo ubau - S1-E16
Revealing mistake: In his close-up when he grins at Ranma after his request to help him figure out what happened to Akane, Ryoga is drawn really obviously with the hair going under his eyebrows. (00:15:00)
Revealing mistake: When Arran is pushing his gran at high speed in her wheelchair through the care home corridors, it is obvious that his gran is a dummy.