Polly is so obsessed with getting the perfect presents for everyone in Littleton, that she overlooks her new friend Big.

Polly will discover that conspiracy-minded Nic is actually onto something when she and Shani find themselves trapped in Area Fifty None.

It's Pierce's birthday and Polly wants to avoid his party -- but she gets stuck in the pinata.

After finding out that Shani is moving, Polly and Lila try to do something to stop her from moving.

Polly wants to be the Queen of Halloween, but her tiny party turns into a big disaster when she tries to make it fit Nic's scary preference instead of following her own heart.

Shani wants to win the Ant Fair, but when she discovers she's been consulting an old book for tips, she needs Polly's help to modernize her ant farm.

Shani breaks Lila's favorite seashell, but instead of coming clean, she tries to hide the mess and instigates an impromptu trip to the beach.

Lila is trying out for the Littleton Kerpow demo team, but when Polly sees that one of the competitors is cheating, she must stop the cheat.

After Polly's Dad installs a super alarm system, Polly must evade the security system and break into her own house.

Nic thinks Polly's new book is just for girls, but when he's "captured", the girls must take the knowledge they learned from the book to save him.

When Peaches has to spend the night at the vet, Polly realizes Peaches doesn't have her favorite toy. Polly goes pocket-sized to get Peaches her toy.

It's Shani's birthday and Polly, Lila and Nic want to give her the best gift by recreating her favorite, discontinued candy.

Polly goes camping. But their plans go awry when Grandma and the RV are taken by a bear!

At the local amusement park's carnival games section, Polly sees that her long-lost plush monkey is one of the prizes. But when Polly discovers the games are rigged, Polly and pals go on a pocket-sized adventure to find the culprit.

A locket problem causes Polly's head to shrink and Lila's body to shrink on the day of Lila's big spartan race! They have to work together, Lila's big head upon Polly's big body, to do the competition

On their way to do "grown-up things" and prove they're not babies, Polly and pals must take a shortcut through the baby playground.

When Polly leaves her cell phone in a taxi cab, she and Lila must go tiny and brave the traffic of the big city to get it back.

Polly takes on the snooty Augustus Uberrich, the ten year boat race champion, in a tiny boat race across Cosmo Park Lake. But when Augustus cheats with his tricked-out boat, Polly must go pocket-sized in her own boat to take down the cheater. The epic boat race takes Polly around the lake and face-to-beak with a duck in need. Saving the duck means sacrificing her win. Polly will choose to help her feathered friend, no matter what the consequences. In the end, Polly learns that winning isn't everything

When Grandma and the girls check into the "pocket floor" of a fancy hotel, everything is set for luxurious relaxation -- until a mouse steals Polly's locket. It's a wild chase through the hotel to get the locket back.

A luggage mix up leads to love when Grandma's luggage is mistakenly taken by a gentleman Grandma met on the plane to Cosmo City.

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

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

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.

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

After accidentally shrinking the house while trying to entertain Paxton, Polly, Lila, and Shani must get the house back to its normal size before anybody finds out.