Featherwand - S2-E3
Revealing mistake: When Chilli and Bluey both run down the stairs before the ball catches them, if you look closely when Bingo turns her head around, her mouth is completely glitched for a split-frame.
Revealing mistake: When Bluey puts Bingo's head on Bandit's Bed, Bingo loses her ear for several frames. Also, her spot on her back disappears too. (00:04:09)