Season 4 (2016)
Episodes: 26
Star Cast: Peter Browngardt , Eric Bauza , Kevin Michael Richardson , Adam Devine ,
Episodes List
Ep.1 Jerky Jasper
Air Date: 2016-07-01
Uncle Grandpa goes to great lengths to meet Pizza Steve's imaginary friend.
Ep.2 Dinosaur Day
Air Date: 2016-07-01
Pizza Steve's jealousy ruins Uncle Grandpa's Dinosaur Day celebration for Mr. Gus.
Ep.3 RV Olympics
Air Date: 2016-08-04
Pizza Steve and Mr. Gus compete in the RV Olympics.
Ep.4 Uncle Melvins
Air Date: 2016-08-04
Legendary rock band, the Melvins team up with Uncle Grandpa to help a young girl who wants to win her school's talent show.
Ep.5 Uncle Baseball
Air Date: 2016-10-22
A failing little league team on the brink of giving up gets help from UG and some Major League Baseball players.
Ep.6 Costume Crisis
Air Date: 2016-10-22
Uncle Grandpa makes improvements to a kid's Halloween costume.
Ep.7 Uncle Grandpa Runs for President
Air Date: 2016-11-03
Uncle Grandpa and Pizza Steve run against one another in the RV presidential race.
Ep.8 Chill Out
Air Date: 2016-12-01
Uncle Grandpa takes a kid to the North Pole for an epic snowball battle.
Ep.9 The Bike Ride
Air Date: 2016-12-05
Pizza Steve desperately tries to prevent the gang from finding out his shameful secret.
Ep.10 Mr. Gus Moves Out
Air Date: 2016-12-05
Mr. Gus moves out of the RV and Uncle Grandpa and Pizza Steve try to get him back.
Ep.11 Hiccup Havok
Air Date: 2016-12-06
Uncle Grandpa helps a kid who can't get rid of the hiccups.
Ep.12 MacGuffin
Air Date: 2016-12-06
Uncle Grandpa and a kid embark on a dangerous jungle adventure in search of a legendary MacGuffin.
Ep.13 Gone to His Head
Air Date: 2016-12-07
Uncle Grandpa's new found confidence makes his head big.
Ep.14 Pony Tale
Air Date: 2016-12-07
Uncle Grandpa grows a ponytail which gains him the attention of a magical pony.
Ep.15 You Can't Handle the Tooth!
Air Date: 2016-12-08
Uncle Grandpa and Mr. Gus must rescue Pizza Steve from the Tooth Fairy.
Ep.16 A Gift for Gus
Air Date: 2016-12-08
Uncle Grandpa's present for Mr. Gus gets loose and causes trouble.
Ep.17 Robo-UG
Air Date: 2016-12-09
Uncle Grandpa builds a robot version of himself to help with his duties.
Ep.18 Lil' Mac
Air Date: 2016-12-09
Mr. Gus's nephew terrorizes Uncle Grandpa and Pizza Steve.
Ep.19 Disappearing Act
Air Date: 2016-12-12
Uncle Grandpa helps a young wannabe magician by teaching her a new trick.
Ep.20 Tongue Tied
Air Date: 2016-12-12
Uncle Grandpa helps a shy kid gain confidence.
Ep.21 Uncle Dummy
Air Date: 2016-12-13
Uncle Grandpa and Pizza Steve try to convince Mr. Gus that his ventriloquist dummy is alive.
Ep.22 Face Fix
Air Date: 2016-12-13
Uncle Grandpa and Pizza Steve help Mr. Gus try to get his face back to normal before an important photo shoot.
Ep.23 The Phone Call
Air Date: 2016-12-14
A threatening phone call from a stranger causes the gang to panic.
Ep.24 Uncle Cupid
Air Date: 2016-12-14
Cupid, too lonely to perform his Valentine's Day duties, comes to Uncle Grandpa for help.
Ep.25 Doctor Visit
Air Date: 2016-12-15
Uncle Grandpa hates going to the doctor, but he's overdue for an important vaccination.
Ep.26 Cake Mistake
Air Date: 2016-12-15
Uncle Grandpa and Mr. Gus eat a cake meant for someone else.
