Polly tests the limits of her powers and accidentally shrinks the house and its residents; with the help of her friends, she needs to get everything back to normal size before anyone realizes what happened.

Polly helps organize an animal adoption marathon; she becomes fond of pets and decides to keep them all.

To spend more time with Lila, Polly decides to take kai-pow classes; not having the same talent for martial arts, Polly programs a robot to help her.

Polly tries to cool off during a heat wave, but ends up freezing the entire house and family; she needs to keep everyone that way until Shani finds a way to unfreeze them without causing a mess.

Polly discovers that a fly lives only 24 hours and decides to make its short life incredible.

A marine biologist mistakes Polly's submarine for a rare fish; now, she and Shani need to escape from the aquarium.