You will Watch Adventure Time Season 5 Episode 31 online for free episodes with HQ / high quality. Stream cartoons Adventure Time Episode 135 Finn and Princess Bubblegum travel to the Earldom of Lemongrab for a diplomatic dinner. Finn, in the meantime, tries to woo Bubblegum after his “break-up” with Flame Princess. The two learn that the original Lemongrab is now a tyrant. However, a young lemon child named Lemonhope is discovered, and Bubblegum and Finn are able to successfully take him back to the Candy Kingdom; at the same time, Finn realizes that Bubblegum is indeed too old for him.