A fierce creature is terrorizing the Candy Kingdom but before Finn can slay the beast, he must first overcome a guilty conscience.

BMO and Ice King hit the road as door-to-door salesmen and stumble upon an irresistible opportunity.

When Flame Princess is coaxed into a high-stakes battle against the indomitable Son of Rap Bear, Finn must help her search for a new strategy.

A long lost artifact causes Princess Bubblegum to go back to the creation of the Candy Kingdom.

A mysterious knight crashes Finn's birthday bash and presents him with a dangerous gift.

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

After helping with the creation of a new sword, Hunson Abadeer comes back to try and regain his daughter's love.

Finn and Jake are tasked with investigating reports of a haunting at Joshua and Margaret's old office.

Finn's latest literary work meets with only derision, so he sets out to prove all the naysayers wrong.

In order to fulfill his grand destiny, Jake is spirited away by a strangely familiar shape-shifting alien.

Searching for answers on Mars, Finn and Jermaine discover that they must first survive a cunning Martian mental trap.

Finn and Jake, as ambassadors of the Candy Kingdom, travel to a powerful new city-state in a last ditch effort to stave off war.

BMO narrates "The Great Gum War" in which Finn, Jake, Marceline, PB and the Candy Kingdom go to war against Gumbald and his army that will determine the fate of Ooo once and for all.