Buttercrush / Fuzzy Logic - S1-E4
Continuity mistake: When Buttercup punches a hole in the wall to see her sisters are being lowered into lava, the hole's initially quite small. In the next shot, the hole is noticeably bigger.
The Powerpuff Girls (1998)
1 continuity mistake in season 1 - chronological order
Starring: Tara Strong, Tom Kenny, Elizabeth Daily, Cathy Cavadini
The Powerpuff Girls Best Rainy Day Adventure Ever / Just Desserts - S2-E10
Plot hole: I don't think the police would throw the wife and children in the same jail cell as Harold.
Princess: I know you think I'm too little to own my own city, but don't worry. I won't let you down. I'll be the best little capitalist piglet Princess you ever had.
Insect Inside / Powerpuff Bluff - S1-E1
Trivia: In "Powerpuff Bluff", Dexter makes a cameo appearance when the kindergarten kids have a nap time.
Moral Decay / Meet The Beat Alls - S3-E13
Question: How much money did Buttercup make from knocking teeth out?