A rainbow causes everyone to be unnaturally happy.

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

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

The Professor has a new girlfriend; the girls plot and scheme to break up their budding relationship.

After the new trendy app was created in Townsville, the powerpuff girls soon uncover a dangerous glitch in the program.

When Bubbles gets a bad school photo, it sends her into an existential tailspin of darkness.

Donny the Unicorn and Big Joey participate in the Student/Unicom Exchange Program. Bubbles has many planned activities but Donny is doing them with Chelsea. At first Bubbles is upset but decides to meet Her since Donny likes Chelsea so much. Buttercup thinks Chelsea is a Bubbles 2.0. Donny and Bubbles argue later that night and Donny decides to stay at Chelseas place. Trying to comfort Bubbles; Blossom and Buttercup realize Donny is likely in trouble and set out to try and save him

When Morbucks enters the Student Body President race, Blossom sinks to her level to secure the win.

When the girls disobey the Professor and swing all the way over the swingset, they must deal with unexpected consequences.