Ep. 41: Princess's sister Duchess visits to outshine the Powerpuff Girls while the girls swap bodies after an accident with Fuzzy.
Aired on April 14, 2007

41
In the first segment, Princess's older sister Duchess arrives for a visit with the specific intention of outshining the Powerpuff Girls. In the second segment, the girls are struck by Fuzzy, resulting in them inhabiting each other's bodies. This body-swap scenario creates significant complications for the trio as they navigate their new physical forms. The narrative focuses on the immediate consequences of these events without delving into long-term resolutions or external conflicts beyond the stated premises.
Episodes
- Ep. 37 · Him creates hit monsters while Utonium, Ken, and Poochi cover for girls during exams
- Ep. 38 · Him Empowers Individuals Through Princess's Best Friends
- Ep. 39 · Ken wishes to be larger while the girls face a flying ban after splitting the Moon.
- Ep. 40 · The Powerpuff Girls believe they are starring in a drama production
- Ep. 41 · Princess's sister Duchess visits to outshine the Powerpuff Girls while the girls swap bodies after an accident with Fuzzy.
- Ep. 42 · The Rowdyruff Boys misuse the Powerpuff Girls' clothing to damage their reputation
- Ep. 43 · The Professor demands three items for the Utonium family while Blossom deals with a boyfriend rumor.
- Ep. 44 · Buttercup develops feelings for a wrestler while attempting to see her father at a match.
- Ep. 45 · Blossom struggles with emotions meeting a frog prince while Annie transforms into Sedusa due to a misunderstanding