The WORST Episodes of Adventure Time

Every episode ever - ranked by fan votes!

Last Updated: Mar 30, 2021

Network: Cartoon Network

Adventure Time follows two best friends: Finn (a 12-year old boy) and Jake (a wise 28-year-old dog with magical powers), and the surreal adventures undertaken by the duo as they traverse the mystical Land of Ooo. A world built for adventure, Ooo is filled to the brim with various landscapes for the two buddies to explore and bizarre characters to assist.

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Jelly Beans Have Power

#1 - Jelly Beans Have Power

Season 8 - Episode 19 - Aired Jan 27, 2017

Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity.

star 6.32
82 votes
Directors: Cole Sanchez
Writers: Aleks Sennwald, Hanna Nystrom
Water Park Prank

#2 - Water Park Prank

Season 6 - Episode 37 - Aired May 21, 2015

After rescuing Princess Orangutan from Daddy-sad-heads, Finn and Jake head to a post-apocalyptic water park for a day of fun.

star 6.67
499 votes
Islands: The Light Cloud (8)

#3 - Islands: The Light Cloud (8)

Season 8 - Episode 27 - Aired Feb 2, 2017

Finn confronts the power behind Founders Island, but will he ever return home to Ooo?

star 6.90
106 votes
Directors: Cole Sanchez
Writers:
On the Lam

#4 - On the Lam

Season 6 - Episode 41 - Aired Jun 4, 2015

Finn's dad Martin the Human fights for freedom on a strange new planet!

star 7.07
498 votes
The Diary

#5 - The Diary

Season 6 - Episode 30 - Aired Feb 26, 2015

Jake's son TV discovers a lost diary and sets out to solve a decades-old mystery.

star 7.20
489 votes
Writers: Jillian Tamaki
Horse and Ball

#6 - Horse and Ball

Season 8 - Episode 18 - Aired Jan 26, 2017

When disaster befalls James Baxter, it's up to Finn and Jake to help him pick up the pieces.

star 7.20
74 votes
Directors: Cole Sanchez
Writers: Seo Jung Kim, Somvilay Xayaphone
Ring of Fire

#7 - Ring of Fire

Season 10 - Episode 6 - Aired Dec 17, 2017

When an old flame comes calling on urgent business, Tree Trunks reconsiders both her wild past and her tranquil present.

star 7.21
293 votes
Graybles 1000+

#8 - Graybles 1000+

Season 6 - Episode 35 - Aired May 7, 2015

Marooned on an alien world, Cuber must rely on his bag of Graybles to survive.

star 7.21
483 votes
Writers: Steve Wolfhard
The Prince Who Wanted Everything

#9 - The Prince Who Wanted Everything

Season 6 - Episode 9 - Aired Jun 26, 2014

The beautiful and sensitive Lumpy Space Prince flees his cruel parents to start a new life.

star 7.26
773 votes
Writers: Adam Muto, Bert Youn, Emily Partridge, Kent Osborne
Cherry Cream Soda

#10 - Cherry Cream Soda

Season 7 - Episode 3 - Aired Nov 4, 2015

The arrival of a visitor causes Cherry Cream Soda's life to fall flat.

star 7.28
631 votes
Directors: Adam Muto
Writers: Graham Falk
Summer Showers

#11 - Summer Showers

Season 7 - Episode 16 - Aired Jan 7, 2016

Viola tries to get a part in LSP's play, but gets made into LSP's personal assistant instead.

star 7.28
584 votes
Food Chain

#12 - Food Chain

Season 6 - Episode 7 - Aired Jun 12, 2014

On a field trip to the Candy Kingdom Museum of Natural History, Finn and Jake learn about the food chain by becoming the food chain!

star 7.31
873 votes
Directors: Masaaki Yuasa
Writers: Masaaki Yuasa
The Mountain

#13 - The Mountain

Season 6 - Episode 28 - Aired Feb 12, 2015

Lemongrab and Finn go on an expedition through the Mountain of Matthew.

star 7.31
539 votes
Writers: Jesse Moynihan, Sam Alden
President Porpoise is Missing!

#14 - President Porpoise is Missing!

Season 7 - Episode 18 - Aired Jan 12, 2016

Finn and Jake attempt to track down President Porpoise before Vice President Blowfish takes over.

star 7.32
540 votes
Be Sweet

#15 - Be Sweet

Season 6 - Episode 39 - Aired Jun 2, 2015

A fed up Lumpy Space Princess leaves the woods for a glamorous career in babysitting.

star 7.32
455 votes
Do No Harm

#16 - Do No Harm

Season 8 - Episode 15 - Aired Jan 23, 2017

Finn makes amends at the Candy Hospital while Jake tries to connect with their unexpected houseguest.

star 7.35
89 votes
Directors: Cole Sanchez
Writers: Emily Partridge, Laura Knetzger
Sad Face

#17 - Sad Face

Season 6 - Episode 5 - Aired May 12, 2014

Once a month, while Jake's asleep, his tail stretches out of the tree house to go work as a clown in a traveling bug circus.

star 7.35
795 votes
Writers: Graham Falk
Who Would Win

#18 - Who Would Win

Season 4 - Episode 21 - Aired Sep 3, 2012

The guys challenge a monster to a fight but end up battling each other.

star 7.35
562 votes
Writers: Ako Castuera, Jesse Moynihan
Dream of Love

#19 - Dream of Love

Season 4 - Episode 4 - Aired Apr 23, 2012

Tree Trunks is courted by an oinking suitor, but much to Jake’s dismay, this interferes with her baking habits.

star 7.36
761 votes
Writers: Bert Youn, Somvilay Xayaphone
Scamps

#20 - Scamps

Season 7 - Episode 22 - Aired Jan 21, 2016

Finn takes a group of at-risk Candy Kingdom youth on a camping trip they'll never forget.

star 7.37
501 votes
Princess Monster Wife

#21 - Princess Monster Wife

Season 4 - Episode 9 - Aired May 28, 2012

Princesses lose body parts under mysterious circumstances.

star 7.40
631 votes
Writers: Bert Youn, Somvilay Xayaphone
Gold Stars

#22 - Gold Stars

Season 6 - Episode 26 - Aired Jan 29, 2015

Tree Trunks and Mr. Pig's child, Sweet P, runs into trouble on his first day of school.

star 7.41
498 votes
Writers: Seo Kim, Somvilay Xayaphone
Chips and Ice Cream

#23 - Chips and Ice Cream

Season 6 - Episode 34 - Aired Apr 30, 2015

BMO’s favorite artists find a new home in the treehouse

star 7.41
479 votes
Writers: Seo Kim, Somvilay Xayaphone
Princess Day

#24 - Princess Day

Season 6 - Episode 14 - Aired Jul 31, 2014

It's Princess Day in Ooo! You know what that means? Yep, LSP and Marceline team up to prank Breakfast Princess!

star 7.44
642 votes
Writers: Seo Kim, Somvilay Xayaphone
Hug Wolf

#25 - Hug Wolf

Season 4 - Episode 8 - Aired May 14, 2012

Finn goes through a transformation after a run-in with a hug wolf.

star 7.45
651 votes
Writers: Bert Youn, Somvilay Xayaphone