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

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

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.

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?

In Wizard City, a magic spell backfires and turns Ice King back into Simon. Now with Finn, Jake and Marceline's help, Simon finds a way to bring his beloved Betty back. Finally reunited with the love of his life, everything is great! There's just one catch...without his magic crown, Simon will die.

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?

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.

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.

You are cordially invited to the Wedding of the Year! But who will be united in matrimony?

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 & Jake kidnapping Princess Bubblegum! There's only one problem: no one believes Root Beer Guy...

Finn & Jake are excited when Princess Bubblegum invites them to help her collect samples in the Desert of Wonders. But when their vessel is attacked by nasty goo monsters, Finn & Jake start to think the mission has been sabotaged by PB's robot helper James.

Kee-Oth the Blood Demon has kidnapped Jake, taken him back to his dimension and thrown him in a pit. If Finn wants to rescue his friend, he's going to need Lady Rainicorn's help... and a videotape that will reveal how to open the portal to Kee-Oth's messed-up dimension.

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. But when Ice King and his new BFF accidentally unleash the demon Kee-Oth, Finn and Jake have to clean up their mess.

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?

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!

Finn meets the Box Prince (a cat with a box on its back) and discovers the Box Kingdom has been taken over by an imposter. Now, Finn must help the real Box Prince reclaim his rightful throne.

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!

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!

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?

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.

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

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

After Flame Princess battles Ice King, Finn has an exciting dream. But when it abruptly ends, Finn must get FP and IK to fight again to find out how it ends.

Marceline is on a top-secret mission tracking Maja the Sky Witch. But when she loses the witch's trail, Marceline turns to Princess Bubblegum for help.

Finn and Jake disguise themselves as MOs in order to infiltrate the MO factory in hopes of saving BMO from malfunctioning.

Jake is sick and tired of Finn using his body as a suit of armor, so he convinces Finn to trade places to show him how much it really stinks.

Princess Bubblegum believes magic is nothing but a bunch of hooey, but when Starchy gets sick and asks her to use magic to cure him, she asks Finn and Jake to help her sneak into Wizard City to get a cold spell.

LSP is robbed and faints before she can tell Finn and Jake who robbed her.

Why are Finn and Jake building a time machine? Can Princess Bubblegum help Cinnamon Bun conquer his fear of the dark?

Jake Jr. gets mixed up with some bad eggs and Jake has to reunite with his old gang for one last job to save him.

His kidnapping scheme foiled again for like the millionth time, Ice King decides he's had enough.

Peppermint Butler thinks Princess Bubblegum is spending too much time in her lab and decides she needs a suitor.

Finn and Jake hold a contest to see who can last longer without talking.

Finn and Jake meet a horse with the power to make sad people happy.

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

BMO gets snatched away by a giant eagle and must find his way home.

Stuck inside the treehouse during a sword storm, Jake builds a pillow fort while Finn goes to a different world.

Ice King creates a computer virus to delete everybody except him and Princess Bubblegum.

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

Finn and Jake get lost in the badlands and are saved by Xergiok, ex-Goblin King who now lives in cave.

Finn's worried that Flame Princess still has evil tendencies in her and wants to shift her alignment to good.

The princesses are sick and tired of Ice King's crazy Fionna & Cake stories, so Marceline stops by the Ice Kingdom to show him how it's done.

While Finn & Jake go swimming, Finn's hat magically comes to life!

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

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

Finn can't go anywhere without folks stopping to thank him for being a hero.

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.

Magic Man secretly slips Finn a bag filled with miniature versions of Finn and all his friends.

Finn and Jake are playing catch when Finn accidentally tosses their throwing disc into a gigantic tree.

Finn and Jake stick their thumbs in everything; Marceline tries to find her way to Wizard Bill's Music Shop; Ice King gets a new bride.

Jake continues to watch the consequences of Finn's wish within the Time Room with Prismo. As the situation gets worse in the world of Finn's wish, Prismo tries to help Jake make the right wish to save both Finn and the entire world.

Finn and Jake chase the Lich through a dimensional portal where they meet Prismo, who tells them that the Lich wished for the extinction of all life. This leads Finn to wish that the Lich "never even ever existed.