Season 3

The origin of Tiger is told as a flashback. As the legend goes, Tiger used to be a mermaid. One day the evil ruler of the sea, Bubble Grandpa, demanded a hamburger and picked Tiger to retrieve it. He used his magic sea powers to give Tiger legs and send her ashore. But Tiger grew to love the land, and with the help of her new friend, Uncle Grandpa, defeated the evil sea ruler and got to keep her legs.

MG fixes up the ballroom and warns UG and PS not to step a foot in there until he gets a chance to use it. But UG mistakenly tosses a ball into the room. Now PS and UG have to retrieve the ball without touching one foot to the ground.

Uncle Grandpa uses time travel to convince his past self to return a library book on time.

The Easter Bunny, unable to fulfill his egg-delivering duties, has Uncle Grandpa fill in for him.

Things get out of hand when Mr. Gus fulfills a timeless legend and is deemed king of the food court.

The gang attends the premiere of Majestico and Uncle Grandpa Boy, a movie about a little girl who wants to be a super hero.

Pizza Steve tries desperately to make the others in the RV interested in his new game console.

In the year 3021, the gang's intergalactic mission goes awry when a strange alien creature infiltrates their ship.

Uncle Grandpa's relaxing weekend getaway quickly becomes a spooky nightmare for Pizza Steve.

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.

Uncle Grandpa falls for Pizza Steve's "girlfriend" and ends up in serious danger.

Aunt Grandma is back and still bent on ruining Uncle Grandpa

Seth must clean his room and learn to be a neater person in order to keep Messy Bessy from making his life a nightmare.

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 and the gang help their K9 pal, Charlie Burgers, get rid of his flea infestation.

When Pizza Steve borrows Uncle Grandpa's sunglasses, he sees things in a whole new light.

A young boy must learn to eat his spinach in order to save UG and the others from a rowdy gang of evil vegetables.

Uncle Grandpa helps a boy get his head out of the clouds and focused on his history test.

On a St. Patrick's Day trip to Ireland, Uncle Grandpa and the gang cross paths with a sneaky leprechaun.

Uncle grandpa helps a young boy overcome his fear of flying.

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 somewhere his style will be appreciated.

Uncle Grandpa goes to Italy to help a young girl who wants to be a great inventor.