When Mr Gus fulfills a timeless legend and is able to pull an immovable sword from a sandwich, he is deemed king of the food court! But the power quickly goes to his head, so Uncle Grandpa, Pizza Steve and Tiger must dethrone the royal monster they've created.
Pizza Steve gets the coolest new video game system in the world, but becomes quickly jealous of Mr Gus and his much more interesting game of jacks. Pizza Steve needs Uncle Grandpa's attention and will resort to anything to get it.
In the year 3021 on a distant planet, a tiny slimy alien Uncle Grandpa gets loose on the spaceship RV with the keys to the ignition. Now Mr Gus and Pizza Steve have to track down alien Uncle Grandpa, get the keys, and escape the alien planet before it explodes.
A shadow demon steals pieces of Uncle Grandpa and the ganf's shadows and the friends discover they must go to the Land of Lost Shadows to get them back.
Land of the Lost Shadows: When pieces of their shadows are stolen by a shadow demon, Uncle Grandpa and the gang must travel to the Land of Lost Shadows in order to retrieve them. / Pizza Eve: Uncle Grandpa falls for Pizza Steve's "girlfriend" and ends up in serious danger.
Messy Bessy: Seth must clean his room and learn to be a neater person in order to keep Messy Bessy from making his life a nightmare. / Memory Foam: When a new mattress sucks away all of PS's memories, UG and the crew must find a ay to get them back.
Weird Man apprehends a dangerous foreign criminal, Belly Bag discovers a cat stuck in the RV tree, and Uncle Grandpa hosts a space exploration program on this new collection of shorts.
Uncle Grandpa wants to help Charlie Burgers with his flea problem, but the darn things are just too small, so Uncle Grandpa enlarges Charlie Burgers and heads into his fur to take on the fleas head to head.
In the Clouds: Uncle Grandpa helps a boy get his head out of the clouds and focused on his history test. / Jerky Jasper: Uncle Grandpa goes to great lengths to meet Pizza Steve's imaginary friend.
On a St. Patrick's Day trip to Ireland, Uncle Grandpa and the gang cross paths with a sneaky leprechaun who tricks them into stealing gold. Once discovered they've been had, the gang execute a plan to return the stolen gold and make that leprechaun pay.
Thiago has a crippling fear of flying, so Uncle Grandpa turns him into a fly to help get over it. But the young Argentinian is stubborn so it takes a near death experience to convince him that flying isn't too bad.
Uncle Fashion: Uncle Grandpa helps a young boy who wants to be a fashion designer by taking him somewhere his style will be appreciated. / G'day Mornin': Uncle grandpa goes to Australia where he must stop an out-of-control collecting kangaroo before he destroys the Earth.
Uncle Grandpa helps a young boy who wants to be a fashion designer by taking him to another planet to design clothes for aliens. But Uncle Grandpa's plan backfires when the aliens develop a serious taste for their new clothes.
Uncle Baseball: A failing little league team on the brink of giving up gets help from Uncle Grandpa and some Major League Baseball players. / Costume Crisis: Uncle Grandpa makes improvements to a kid's Halloween costume.
Uncle Grandpa Runs for President: Uncle Grandpa and Pizza Steve run against one another in the RV presidential race. / Chill Out: Uncle Grandpa takes a kid to the North Pole for an epic snowball battle.
Two friends, Ewan Morgan and Nick Safir, go on a bike ride to Chicago, Illinois, to watch the Celtics play the Bulls in game 4 of the first round of the 2017 NBA finals.
The Bike Ride: Pizza Steve desperately tries to prevent the gang from finding out his shameful secret. / Mr. Gus Moves Out: When a fed-up Mr. Gus moves out of the RV, Uncle Grandpa and Pizza Steve work together to get him back.
Hiccup Havok: Uncle Grandpa helps a kid who can't get rid of the hiccups. / MacGuffin: Uncle Grandpa and a kid embark on a dangerous jungle adventure in search of a legendary MacGuffin.
Gone to His Head: Uncle Grandpa's new found confidence makes his head big. / Pony Tale: Uncle Grandpa grows a ponytail, which gains him the attention of a magical pony.
You Can't Handle the Tooth: Uncle Grandpa and Mr. Gus must rescue Pizza Steve from the Tooth Fairy. / A Gift for Gus: Uncle Grandpa's present for Mr. Gus gets loose and causes trouble.
Robo-UG: Uncle Grandpa builds a robot version of himself to help with his duties. / Lil' Mac: Mr. Gus' nephew terrorizes Uncle Grandpa and Pizza Steve.
The Phone Call: A threatening phone call from a stranger causes the gang to panic. / Uncle Cupid: Cupid, too lonely to perform his Valentine's Day duties, comes to Uncle Grandpa for help.
