Ep 19. Is That You?

In Adventure Time season 6 episode 19 entitled "Is That You?", Finn and Jake find themselves creating a machine called the "Finn Sword". This machine is created completely by Finn, and it is intended to be a magic sword that can transform into anything he wants it to be. But when Finn and Jake discover that the sword has the ability to change their memories, they begin to question whether or not they can trust this newly created weapon.

As the two continue to experiment with the sword, they soon realize that it has a mind of its own. The sword begins to chase after Finn and Jake, transforming into various creatures and objects to try and catch them. It even transforms into Princess Bubblegum at one point, causing Finn to question whether or not he is actually talking to the real princess.

Meanwhile, the Ice King is dealing with his own issues. After a long day of kidnapping princesses, he discovers that Gunter has somehow transformed into a giant monster. The Ice King is tasked with trying to cure Gunter of his newfound monster status but quickly realizes that this is easier said than done. He enlists the help of Neptr, a robot he created, to try and fix the situation.

As Finn and Jake continue to be chased by the Finn Sword, they eventually come up with a plan to outsmart the weapon. They realize that if they can change their memories, the sword won't be able to predict their next move. They travel back in time to a moment when they were both very young and create a new memory, confusing the Finn Sword.

The episode ends with the Ice King successfully curing Gunter and the Finn Sword seemingly forgotten. Finn and Jake walk off into the sunset, ready to take on their next adventure.

"Is That You?" is an exciting and action-packed episode filled with some of the show's most memorable characters. The theme of trust is prevalent throughout the episode, with Finn and Jake questioning whether or not they can trust the machine they created. The episode also explores the idea of memory and how memories shape our experiences and decisions. The Ice King's storyline is also interesting, allowing viewers to see a different side of the character.

Overall, Adventure Time season 6 episode 19 is a must-watch for fans of the show. It has all the elements that make this show great, including humor, adventure, and heart. The episode builds upon the previous seasons and sets up new storylines for future episodes.