Season 4

Uncle Grandpa goes to great lengths to meet Pizza Steve's imaginary friend.

Pizza Steve's jealousy ruins Uncle Grandpa's Dinosaur Day celebration for Mr. Gus.

Pizza Steve and Mr. Gus compete in the RV Olympics.

Legendary rock band, the Melvins team up with Uncle Grandpa to help a young girl who wants to win her school's talent show.

A failing little league team on the brink of giving up gets help from UG and some Major League Baseball players.

Uncle Grandpa makes improvements to a kid's Halloween costume.

Uncle Grandpa and Pizza Steve run against one another in the RV presidential race.

Uncle Grandpa takes a kid to the North Pole for an epic snowball battle.

Pizza Steve desperately tries to prevent the gang from finding out his shameful secret.

Mr. Gus moves out of the RV and Uncle Grandpa and Pizza Steve try to get him back.

Uncle Grandpa helps a kid who can't get rid of the hiccups.

Uncle Grandpa and a kid embark on a dangerous jungle adventure in search of a legendary MacGuffin.

Uncle Grandpa's new found confidence makes his head big.

Uncle Grandpa grows a ponytail which gains him the attention of a magical pony.

Uncle Grandpa and Mr. Gus must rescue Pizza Steve from the Tooth Fairy.

Uncle Grandpa's present for Mr. Gus gets loose and causes trouble.

Uncle Grandpa builds a robot version of himself to help with his duties.

Mr. Gus's nephew terrorizes Uncle Grandpa and Pizza Steve.

Uncle Grandpa helps a young wannabe magician by teaching her a new trick.

Uncle Grandpa helps a shy kid gain confidence.

Uncle Grandpa and Pizza Steve try to convince Mr. Gus that his ventriloquist dummy is alive.

Uncle Grandpa and Pizza Steve help Mr. Gus try to get his face back to normal before an important photo shoot.

A threatening phone call from a stranger causes the gang to panic.

Cupid, too lonely to perform his Valentine's Day duties, comes to Uncle Grandpa for help.

Uncle Grandpa hates going to the doctor, but he's overdue for an important vaccination.

Uncle Grandpa and Mr. Gus eat a cake meant for someone else.