The hamsters must stop Kendrick's old recliner from being thrown out. When a mama bird thinks Lil Pal is her lost chick, the hamsters rescue their friend.

The hamsters venture into Harry's homemade volcano looking for the island of Num-Nuggtets, and end up at the science fair.

Greg pretends to be injured to avoid having to do a scary trick for his friends. During a game of hide and seek, Lil Pal hides so well she can't be found.

The hamsters are convinced that Harry's royal-themed birthday party is a front for a full-on Hamsterdale invasion.

The hamsters try to compete with popular animal videos online and end up going viral. Mondo must choose between his new superpower causing thunderstorms and his friend.

Mondo and Lil Pal get stranded on a desert island, and the other hamsters save them. Popcorn's uncontrollable love for popcorn threatens to put all of the hamsters in danger.

When Mondo unexpectedly loses all of his capes, he goes into a total funk. Greg gets separated from the others when they go to a pet boarding facility.

The hamsters thwart Kendrick and Harry's attempts to squirrel-proof the bird feeder. When a robovac gobbles up Harry's prized trading card, the hamsters vow to retrieve it.

The hamsters overcome their confusion about the game of putt-putt golf to help Harry defeat the Purple Knight. An overworked Popcorn takes a day off and the hamsters try to navigate a royal mission without their leader.

The hamsters vow to stop a mysterious thief from stealing their Num-Nugget deliveries. During a sleepover, the hamsters try to reunite Harry with his beloved stuffed animal.

Clover builds an elaborate Flea Beast defense system and accidentally traps the hamsters. The hamsters think Harry's new bagpipes are a noisy beast that is attacking their king.

Lil Pal finds Kendrick's lost wedding ring and won't give it back. Greg is mistaken for a plush collectible and gets trapped in Harry's friend's backpack.

The hamsters are convinced Arrow is mind-controlling the family using talking buttons. When Harry pet-sits Jocelyn's gerbil, Clover discovers it's her old nemesis, Moxie.

When Harry takes the hamsters to the mall for picture day, Lil Pal runs off. When Harry takes Popcorn to school, he puts Mondo and Clover in temporary joint command.

The hamsters think a scout badge has magically turned Greg into a baby bear. The hamsters meet a local urban legend- DeeDee, The Library Hamster.

The hamsters go on a Viking dinner cruise with Harry and his family. Greg must clear his name when Harry's homework goes missing and all clues point to him.