Revealing mistake: Before Jason Dean is shot outside the penthouse, Phoebe is waving her hands trying to convince him that the world is not real and you can already see blood on her fingers.
The Powerpuff Girls Best Rainy Day Adventure Ever / Just Desserts - S2-E10
Revealing mistake: When the van drives upstairs, you can see that it wasn't destroyed.
The School of Hard Knocks - S1-E9
Revealing mistake: In the English dub, when showing the front of the flyer, it has filler text that is not related to what it is about. Also, its Poké Balls are slightly transparent and its picture can be seen through it. (00:05:43)