Polly and pals must stop Griselle's mayoral quest to put Littleton in a dome, but their efforts are hampered by Polly's locket being on the fritz. Polly must team up with newcomer Nicolas to repair the locket to defeat Griselle.
The Pockets head to the beach and Polly wants to test her new deep sea submarine, but when her Dad's special anniversary gift goes missing, Polly and her friends have to do whatever it takes to find it.
Polly and her grandmother go to a ski lodge to compete in a race. However, Gwen and Griselle disguise themselves as Russian skiiers Drizelle and Gwendolforfia to get another chance at taking Polly's locket.
When Polly's locket goes on the fritz, she must dive into the history of Prudence Pocket to uncover the secret source of Pockite, which powers the locket's shrinking ability.
Polly and pals are hoping for the best Halloween ever, but Griselle going undercover in the Haunted Hayride to steal the locket may hinder their plans.
When audience members in Peanut's Pit Stop boo Gwen's terrible karaoke performance, Polly and her friends feel bad for her and decide to help Gwen find something she excels at to boost her confidence and make her feel good about herself.
When Polly's locket goes on the fritz, she must dive into the history of Prudence Pocket to uncover the secret source of Pockite, which powers the locket's shrinking ability.
Polly wants to throw the ultimate pool party but soon learns that family is more important than looking cool in front of your friends when her attempts to be in two places at once turns disastrous for both the pool party and her Dad's pitch.