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Season guide

Uncle Grandpa: Season 3

26 episodes Premiered Dec 16, 2015 Updated Oct 23, 2026
Previously on Uncle Grandpa

Season 3 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of Uncle Grandpa Season 2.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 3 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 3 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 3: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

12%
88%
Mytharc (3): Crucial lore & season climaxes
Core (23): Character development & subplots
Side Quest (0): Standalone / filler
S3·E1 Mytharc

The Little Mer-Tiger

Dec 16, 2015 · 12 min

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

S3·E2 Core

Ballroom

Dec 17, 2015 · 12 min

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 retr

S3·E3 Core

Back to the Library

Dec 18, 2015 · 12 min

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

S3·E4 Core

Uncle Easter

Dec 25, 2015 · 12 min

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

S3·E5 Core

King Gus

Dec 25, 2015 · 12 min

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

S3·E6 Core

The Uncle Grandpa Movie (1)

Apr 1, 2016 · 12 min

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

S3·E8 Core

Lame Station

Apr 2, 2016 · 12 min

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

S3·E9 Core

Space Oddity

Apr 2, 2016 · 12 min

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

S3·E10 Core

Relaxation Land

Apr 9, 2016 · 12 min

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

S3·E11 Core

The Land of the Lost Shadows

Apr 9, 2016 · 12 min

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.

S3·E12 Core

Pizza Eve

Apr 16, 2016 · 12 min

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

S3·E15 Core

Messy Bessy

Apr 30, 2016 · 12 min

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

S3·E16 Core

Memory Foam

May 7, 2016 · 12 min

When a new mattress sucks away all of PS's memories, UG and the crew must find a ay to get them back.

S3·E17 Core

Even More Shorts

May 14, 2016 · 12 min

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 sho

S3·E18 Core

Fleas Help Me

May 21, 2016 · 12 min

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

S3·E19 Core

Wicked Shades

May 28, 2016 · 12 min

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

S3·E20 Core

Except for Cooper

Jun 4, 2016 · 12 min

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

S3·E21 Core

In the Clouds

Jun 11, 2016 · 12 min

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

S3·E22 Core

The Lepre Con

Jul 1, 2016 · 12 min

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

S3·E23 Core

Fear of Flying

Jul 1, 2016 · 12 min

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

S3·E24 Core

G'day Mornin'

Jul 1, 2016 · 12 min

Uncle grandpa goes to Australia where he must stop an out-of-control collecting kangaroo before he destroys the Earth.

S3·E25 Mytharc

Uncle Fashion

Jul 1, 2016 · 12 min

Uncle Grandpa helps a young boy who wants to be a fashion designer by taking him somewhere his style will be appreciated.

S3·E26 Mytharc

Inventor Mentor

Jul 1, 2016 · 12 min

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

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