Finn finds an old truck, and Jake calls Banana Man to help with the repairs. But when BMO stays up all night working on the truck, he hears on a spooky radio talk show that Princess Bubblegum is a reptilian replicant. Is it just another one of Starchy's crazy conspiracy theories, or a fact?

We Fixed a Truck

Jeremy Shada

John DiMaggio

Tom Kenny

Hynden Walch

Olivia Olson

Niki Yang

Pendleton Ward

Polly Lou Livingston

Play Date

Red Starved

Part 2 of a three-part episode. Finn and Jake chase the Lich through a dimensional portal and meet a wishmaster. After the Lich wishes that humanity never existed, Finn wishes that the Lich never existed.

Finn the Human

Part 3 of a three-part episode. Finn and Jake chase the Lich through a dimensional portal and meet a wishmaster. After the Lich wishes that humanity never existed, Finn wishes that the Lich never existed.

Jake the Dog

A series of short stories all centered around a common theme, hosted by a mysterious man named Cuber from the future.

Five More Short Graybles

The guys' game of catch goes awry when their throwing disc is lodged in a large tree.

Up a Tree

Finn receives a bag full of miniature versions of his friends.

All the Little People

Jake's a daddy, but being a father and keeping his rainicorn pups from killing themselves or each other is a lot harder than he imagined.

Jake the Dad

Finn creates an alter ego, Davey. Davey soon begins to take over, and Jake is forced into action to get his old friend back.

Davey

Ice King, NEPTR, Tree Trunks, Shelby, and Lemongrab are trapped inside a mysterious dungeon and must work together to free themselves.

Mystery Dungeon

Princess Bubblegum sends Finn and Jake to investigate a message of distress from the Earls of Lemongrab.

All Your Fault

Finn's hat comes to life and becomes evil after it is touched by a wizard. Finn, Jake, and the wizard track the hat down, and manage to turn the hat good.

Little Dude

The princesses tire of Ice King’s crazy Fionna-and-Cake fan-fiction stories, so Marceline stops by the Ice Kingdom to show him how to properly write a story.

Bad Little Boy

When Flame Princess begins to doubt her evilness, Finn insists she is not evil and takes her on a journey into a dungeon to help her sort out her thoughts.

Vault of Bones

Xergiok, the former Goblin king who was deposed by Finn and Jake claims to have turned over a new leaf.

The Great Bird Man

A look at what Ice King and Marceline were like 996 years ago.

Simon & Marcy

The Ice King creates a computer virus that will delete everyone in Ooo except for him and Princess Bubblegum. Finn and Jake hack into the universal source code to destroy the virus.

A Glitch Is a Glitch

While dwelling on a joke he told to Flame Princess, Finn finds himself trapped in a strange pillow world.

Puhoy

BMO makes his way home after being snatched by an eagle. On its way, BMO meets Bubble and a baby, and the three decide to journey home together.

BMO Lost

Ice King gets super jealous when he finds out that he wasn't invited to the Princess Potluck.

Princess Potluck

Finn and Jake stumble across a horse named James Baxter who has the ability to make sad people feel better.

James Baxter the Horse

Finn and Jake make a bet to see who can not talk the longest, and the two use signs to communicate.

Shh!

Peppermint Butler thinks that Bubblegum is working too hard in her lab, so he tries to get her a suitor.

The Suitor

After another one of his schemes fails, the Ice King decides to give up.

The Party's Over, Isla de Señorita

Jake Jr. gets involved with a group of troublemakers, and Jake is forced to reunite his old gang—which includes Tiffany who first appeared in the first season episode "My Two Favorite People"—to rescue his daughter.

One Last Job

A series of short stories with a common theme, hosted by a mysterious man named Cuber from the future. In this entry, Finn and Jake build a time machine. Meanwhile, Princess Bubblegum helps Cinnamon Bun overcome his fear of the dark.

Another Five More Short Graybles

Lumpy Space Princess is robbed, but before she is able to explain the details to Finn and Jake, she faints.

Candy Streets

After Starchy comes down with a cold and needs a magic cure, Finn, Jake, and Princess Bubblegum disguise themselves as wizards and sneak into Wizard City.

Wizards Only, Fools

Jake gets upset with the amount of times that Finn uses his body as a suit of armor, so he convinces Finn to trade places with him.

Jake Suit

BMO accidentally deletes his core system files. Finn and Jake disguise themselves as MOs to infiltrate the MO factory and save BMO from a memory wipe.

Be More

Marceline tracks the Sky Witch, but finds out that she may need Princess Bubblegum's help.

Sky Witch

Flame Princess and the Ice King fight each other, prompting Finn to have an interesting dream.

Frost & Fire

Finn, Jake and Princess Bubblegum discover a talented mutant named Lemonhope at The Pageant of Mutants. Now they must find a way to free him from the lemongrabs.

Too Old

Princess Bubblegum subjects Flame Princess to a series of tests to gauge Flame Princess' fiery tendencies. But when there's an emergency at the treehouse, and Princess Bubblegum leaves Cinnamon Bun to watch Flame Princess, her experiment might literally backfire in her face.

Earth & Water

Jake crafts the most delicious sandwich ever, but when Magic Man steals it, Finn must defy the laws of space and time to win back Jake's creation.

Time Sandwich

When Finn starts sleepwalking and dreaming about the Green Lady he filed away in his memory vault, Jake and BMO help him tap into his repressed memories to uncover a secret past. Who is the Green Lady? And how is she connected to Finn?

The Vault

Slime Princess needs a husband or else she'll lose the Slime Kingdom to her obnoxious sis. Finn steps in to save the day, but first they will need to win a series of Love Games to prove to Slime Princess's dad that they are really in love. This is definitely not what Finn signed up for!

Love Games

All aboard! Finn and Jake discover a train where every car is a dungeon filled with a new foe for Finn to fight. Jake quickly gets bored and wants to leave, but Finn is having the best time and doesn't want to leave... ever!

Dungeon Train

Finn meets the Box Prince—a cat with a box on its back—and learns that the Box Kingdom has been taken over by an imposter. Finn must therefore help the real Box Prince reclaim the throne.

Box Prince

Finn, Jake and Marceline are trapped in an underground cavern with no red in sight. If Marceline doesn't feed, like ASAP, she will turn into a vampiric beast and suck out all of Jake's blood! So, Finn heads off to explore the cave and find something red to satiate her until they can be rescued. But time is running out!

Sick and tired of babysitting Ice King while the Ice Kingdom is being rebuilt, Finn and Jake call up an old friend to hang out with their annoying houseguest: Abracadaniel.

Finn needs Lady Rainicorn's help to rescue Jake when he is kidnapped by Kee-Oth the Blood Demon.

The Pit

Finn, Jake, and Princess Bubblegum are attacked by nasty goo monsters in the Desert of Wonders.

James

Root Beer Guy works a boring job during the day and tries to write mystery stories at night. But his life is about to change when he witnesses Finn and Jake kidnapping Princess Bubblegum! There's only one problem: no one believes Root Beer Guy...

Root Beer Guy

Tree Trunks and Mr. Pig are celebrating the wedding of the year.

Apple Wedding

Finn and Jake decide it's time for Finn to get a new sword. Finn reluctantly buys a grass sword from a mysterious old man, but the sword turns out to be cursed! And unfortunately for our hero, all sales are final.

Blade of Grass

Finn practices his sword fighting skills at the candy junkyard, where he meets an old gumball robot named Rattleballs. To Finn's shock, he finds out he's not the master swordsman he thinks he is. What the what?! Finn begs Rattleballs to train him, but he soon discovers his mentor's deep, dark secret... a secret that will ultimately test Finn's loyalty to Princess Bubblegum.

Rattleballs

When Flame King breaks out of his prison and takes over the Flame Kingdom again, Flame Princess turns to the one person she believes she can trust... Finn! But will Finn be able to put his feelings for Flame Princess aside long enough to help her reclaim her throne?

The Red Throne

After a magic spell backfires, the Ice King reverts back to Simon, and seeks help from Finn, Jake, and Marceline in order to get Betty, his former fiancée, back.

Betty

Love is in the air when Lumpy Space Princess reconnects with an old classmate, but will her jealousy get in the way of finding true love?

Bad Timing

Tired of all of Princess Bubblegum's talk about "responsibility," Lemonhope yearns for true freedom. So he sets off on the greatest adventure of his lemony life.

Lemonhope (1)

Though Lemonhope finds refuge from the desert with monster hunter Phlannel Boxingday, he might not be able to escape the ghosts of his past.

Lemonhope (2)

Finn finds the hero Billy's bucket list and decides to complete the unfinished items as a final tribute.

Billy's Bucket List

Young Finn and his shape-shifting dog buddy, Jake, go on a series of surreal adventures as they journey through the postapocalyptic Land of Ooo.

We Fixed a Truck

Seasons10

Season 5 Episodes52

Cast8

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Episode Summary