Punie becomes one of the organizers of her school's Sports Festival. Features a kiba-sen (cavalry battle) that parodies several episodes of Japanese history. Pyon and Potaru discover a magic cupcake recipe that bestows upon them the stature and strength of adults. They immediately use their newfound power to attack their older sister, but are once again defeated.

• Tsutomu Mizushima
• 水岛努

• Kana Hanazawa
• Ayaka Saito
• Ayako Kawasumi