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 mistake in Buttercrush / Fuzzy Logic - chronological order
Starring: Tara Strong, Tom Kenny, Elizabeth Daily, Cathy Cavadini
Narrator: Sugar. Spice. And everything nice. These were the ingredients chosen to create the perfect little girls. But Professor Utonium accidentally added an extra ingredient to the concoction... Chemical X. Thus the Powerpuff Girls were born. Using their ultra-superpowers, Blossom, Bubbles, and Buttercup have dedicated their lives to fighting crime and the forces of evil.
Boogie Frights / Abracadaver - S1-E5
Trivia: The scene of the Powerpuffs flying along the disco ball is parodied of a scene of Star Wars (episode IV). Note the PPGs having to shoot one area to explode the ball.
Moral Decay / Meet The Beat Alls - S3-E13
Question: How much money did Buttercup make from knocking teeth out?