After failing at everything in troll school, Cliff and his new friend, a banana slug named Polly, decide to give pirate school a try.

When a sound starts driving Branch crazy, Poppy and Cloud Guy help him find out where it's coming from.

Poppy, Branch, and Tiny Diamond all try to find perfect gifts for the first annual Trolls Secret Holiday Gift Swap.

While working on a school science project in the forest, Andres and Desmond discover a bridge guarded by a lonely, riddle-loving troll.

No! No! No! The little troll is terribly angry. It's like there's a storm inside him, with lightning shooting out of the sky and thunder rumbling loudly. Yes, that's exactly how he feels: like a rumbling and grumbling troll. A grumbletroll! Eventually his friends get fed up with his yelling and go off to play without him. Will the little troll be able to make up for his bad behavior and win back the favor of his friends? Grumbletroll serves as a model...

"A clever vole distracts a grumpy, hungry, and musical troll who threatens to eat him by teaching the troll new songs, and in the end they become good friends because two voices are better than one." --

When the Trolls move next door to the Priddles, both families find the other strange, which causes many misunderstandings.

Princess Mini takes the chocolates she has made to her friend, Gobo the troll, and he takes her on an exciting, dangerous, and messy boat ride down the Chocolate River--and she encourages him to enter the beginners race at the Chocolate River Run.

Rapunzel, Anansi, Jack, and his talking chicken, Betsy, are captured by a witch; so Red, the sustainable woodcutter's daughter, tries to save all the magical creatures the witch has kidnapped - including a fearsome troll.

Hilda encounters her very first troll, negotiates with some very persnickety elves, and seeks to discover the mystery behind the giant who only appears at midnight as she faces the prospect of leaving her beloved wilderness home with her mom for Trolberg City.