The Best Episodes of Adventure Time Season 5

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

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Writer: Rebecca Sugar, Cole Sanchez

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.

Director: Larry Leichliter

Writer: Rebecca Sugar, Cole Sanchez

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.

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

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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.

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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?

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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.

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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.

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

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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.

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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...

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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.

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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.

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

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

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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.

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Writer: Rebecca Sugar, Cole Sanchez

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.

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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!

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

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

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

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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.

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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.

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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.

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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.

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