The gang must stop a nefarious imposter from rendering Uncle Grandpa obsolete.

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.

A girl's father refuses her request for a dog. Uncle Grandpa becomes a dog to help her learn responsibility.

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.

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

In prehistoric times, Uncle Grandpa must save his new friend, Mr. Gus, from a number of hungry cavemen.

After Uncle Grandpa neglects his garbage duties, he embarks on a quest to save his friends from the overflowing pile of trash.

A young girl must face the consequences of her new found popularity after Uncle Grandpa molds her mouth into "duck lips."

A head Injury turns Mr. Gus into a bumbling fools whose wacky antics make him Uncle Grandpa's coolest friend. No longer the focus of Uncle Grandpa's attention, a jealous Pizza Steve tries to desperately to get back normal. Mr. Gus has to restore social balance in the RV.

Things get out of hand when Andrew W. K. helps Pizza Steve and Mr. Gus throw a party while Uncle Grandpa is in the shower.

Pizza Steve wants to sneak onto a Pizza Steve rollercoaster in the newly-opened Uncle Grandpa Land.

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 the tree inside the RV begins talking to Uncle Grandpa, he must convince the gang that he's not going crazy.

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.