Cyclops tears may heal Finn and Jake's broken toes; a zombie outbreak overtakes the Land of Ooo, and Princess Bubblegum is to blame.
Finn gains powers from the Ice King's crown.
Short tales about Finn and Jake's thumbs, Marceline's search for a music shop and the Ice King's new bride.
The guys' game of catch goes awry when their throwing disc is lodged in a large tree.
Finn receives a bag full of miniature versions of his friends.
Jake finds fatherhood challenging.
Finn can't go anywhere without folks stopping to thank him for being a hero.
Ice King, NEPTR, Tree Trunks, Shelby and Lemongrab are trapped inside a mysterious dungeon and must work together to free themselves.
Princess Bubblegum sends Finn and Jake to investigate a message of distress from the Earls of Lemongrab.
Finn's hat comes to life while he and Jake are swimming.
Marceline tells a story about Fionna and Cake to show the Ice King how it's done.
Finn worries that Flame Princess may still be evil.
Xergiok, the former goblin king who was deposed by Finn and Jake in the second season episode "The Silent King", claims to have turned over a new leaf.
A look at what Ice King and Marceline were like 996 years ago.
The Ice King decides to creates a computer virus that will delete everyone in Ooo except for him and Princess Bubblegum.
Finn begins second-guessing his relationship with Flame Princess, so he builds a giant pillow fort that somehow turns into a pillow dungeon. Finn subsequently gets lost in it.
BMO makes his way home after being snatched by an eagle.
Gunter goes undercover at a princess potluck at the Ice King's bidding; Jake becomes a copy of himself after a run-in with Martians.
Finn and Jake meet a horse with the power to cheer up sad people; the guys' game of catch goes awry when their throwing disc is lodged in a large tree.
Finn and Jake make a bet to see who can not talk the longest, and the two use signs to communicate.
Peppermint Butler thinks that Bubblegum is working too hard in her lab, so he tries to get her a suitor.
After always losing fights with Finn and Jake, and always trying to win the love of Princess Bubblegum, Ice King gives up and throws in the towel after another scheme fails.
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.
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.
Lumpy Space Princess is robbed, but before she is able to explain the details to Finn and Jake, she faints.
When Starchy becomes ill, Finn, Jake and Princess Bubblegum travel to Wizard City in order to get magic medicine for him; Finn and Jake meet a horse with the power to cheer up sad people.
Finn wears Jake like a suit to hide his identity while fighting off Zurgiac's earclops army. Watch more Adventure Time on Cartoon Network!
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.
Marceline tracks the Sky Witch, but finds out that she may need Princess Bubblegum's help.
Flame Princess and the Ice King fight each other, prompting Finn to have an interesting dream.
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.
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.
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.
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?.
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!.
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!.
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.
Finn, Jake, and Marceline get trapped in a cave. Finn must find a way for Marceline quench her thirst for the color red without having to suck Jake's blood.
BMO stays up all night fixing a truck, and it hears a radio program that claims that Princess Bubblegum is a mutant reptile.
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.
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.
Finn, Jake, and Princess Bubblegum are attacked by nasty goo monsters in the Desert of Wonders.
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.
Tree Trunks and Mr. Pig are celebrating the wedding of the year.
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.
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.
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?.
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.
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?.
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.
Though Lemonhope finds refuge from the desert with monster hunter Phlannel Boxingday, he might not be able to escape the ghosts of his past.
Finn finds the hero Billy's bucket list and decides to complete the unfinished items as a final tribute.