A kid's struggle with putting on his shirt for school due to his belly, Uncle Grandpa tries to make it up to him by going with him in a Night Wolf shirt and becoming belly brothers.

When UG and the gang are in a rush to purchase some emergency moustache cream, they face a formidable foe: Mart Mart.

Gus and Pizza Steve have plans to go out for the night, but UG can't be left alone in the RV, so they need a babysitter. But when none are available, they turn to UG to babysit himself.

When Uncle Grandpa gets locked out of his RV and accidentally sets off the security system.

When Mr. Gus gets stuck in an embarrassingly super tight pair of jorts, he has to somehow get out of them in order to save his friends.

Uncle Grandpa and crew help a friendly dog, Charlie Burgers, find his lost ball by literally turning the world upside down.

Uncle Grandpa announces the winner of a contest to draw the latest episode of Uncle Grandpa. Too bad the winner is a metalhead who torments the gang with his strange doodles.

When Pizza Steve and Mr. Gus engage in a prank war, Mr. Gus ends up pulling the biggest prank, only realizing too late that it will get Pizza Steve eaten.

Uncle Grandpa goes to extreme measures to surpass Pizza Steve as Pizza Steve's best friend.

Uncle Grandpa journeys inside Belly Bag to cure his friend of a mysterious illness.

For Halloween, Uncle Grandpa throws a haunted house in the RV, a couple of teenagers decide to go first in the RV since every other haunted house didn't scare them.

Santa and Uncle Grandpa must work through their personal differences order to save Christmas.

Santa and Uncle Grandpa must work through their personal differences order to save Christmas.

When Giant Realistic Flying Tiger chases a mouse around the RV, Uncle Grandpa forces them to be friends but he has to face with the problem of the mouse destroying things in the RV along with Giant Realistic Flying Tiger.

When PS's diary winds up in the hands of MG, PS goes to great lengths to get it back before MG can read all of his deepest, darkest secrets.

Uncle Grandpa gives a child an overly cool haircut.

The consequences are terrifying when Pizza Steve keeps Uncle Grandpa awake all night.

Uncle Grandpa snoops out whom among his friends is an enemy in disguise after receiving an ominous fortune.

Uncle Grandpa and the gang go undercover to taste the most sought after treat in the cosmos: the Taco Comet.

Uncle Grandpa's number one fan gets more than he bargained for when Uncle Grandpa overstays his welcome.

The gang gets nutty after repeatedly failing to open a mysterious package.

When Uncle Grandpa mistakenly transforms a young boy into a three-hundred-year-old man, he must manage to turn the kid back to normal before anyone gets hurt.

After receiving a new bag friend, Belly Bag has to realize its nefarious intentions to completely replace Belly Bag and stop it before it's too late.

Uncle Grandpa discovers a new, unusual occupation.

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