The hamsters go on an adventure to the Place of All Foods to get more of their favourite treat; the hamsters think Harry's dad's phone is telling them what to do.
The hamsters think Harry is being held captive in his treehouse and vow to save him. Clover gets a taste of luxury in Bernie's doll house and doesn't want to go back to the cage.
The hamsters overhear dad role-playing as a dastardly knight and believe he has turned evil. Mondo must choose between superhero life and saving his best friend at Harry's magic show.
When the family gets locked outside, Popcorn leads the hamsters on a mission to rescue them. // Lil Pal discovers she can imitate Flea Beast's bark but is unaware of the danger it causes.
Popcorn loses his crown in Keesha's aquarium and the hamsters dive in to retrieve it. // When the hamsters go to a local hamster pageant, Clover has to unexpectedly compete.
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.
When trick-or-treaters steal the royal treasure (candy), the hamsters must get it back. // The hamsters and squirrels think they are being haunted by a nugget-stealing ghost. (Halloween special)
The hamsters venture into Harry's homemade volcano looking for the island of Num-Nuggtets./ The Hamsters believe King Harry has been magically turned into a potato and vow to turn him back to normal at any cost.
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. // When Lil Pal's favorite toy falls into the A/C vent, Mondo embarks on a journey to retrieve it.
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.
When Greg quits his chewing habit cold turkey, his teeth grow wildly out of control. Clover thinks she's been given a good luck charm when Harry gifts her a four-leaf clover.
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.
