Bubbles wins two tickets to a concert and has to pick between Blossom and Buttercup to go with her. Meanwhile, the Mayor's plane goes down over Monster Island and it's up to the girls to rescue him.

Buttercup becomes enamored with a team of roller derby girls called the Derbytantes. When she starts spending all of her time with them, Princess Morbucks seeks to be her replacement in the Powerpuff Girls.

Blossom and Buttercup suffer a candy hangover, and they must retrace their steps to find where they left Bubbles.

A rainbow causes everyone to be unnaturally happy.

Donny the Pony is transformed into a monster that threatens Townsville.

When Buttercup's aggression inadvertently allows villain Man-Boy to escape, she starts a new-age lifestyle in an effort to be more calm. But when Man-Boy returns to enact his revenge, Buttercup must embrace the balance between punching and hugging in order to defeat him.

The Mayor of Townsville overworks the Powerpuff Girls after his secretary Sara Bellum quits.

Buttercup tries to teach Bubbles a lesson; it backfires.

Bubbles breaks her arm and gets a powerful robotic cast just in time to face the Pack Rat.

During a fight, both Buttercup and Bubbles are surprised to discover they've leveled up, leaving Blossom to wonder about her own powers.

The Townsville Beauty, Talent, and All-Around Flair Pageant is cursed by a mysterious tiara.

A potion intended to make them older backfires, and the Powerpuff Girls become senior citizens.