You will Watch Adventure Time Season 5 Episode 38 online for free episodes with HQ / high quality. Stream cartoons Adventure Time Episode 142 Finn, Jake, and Marceline get trapped in a cave. After Jake eats all of Marceline’s red snacks, she begins to go “feral” and threatens to eat Jake’s blood. Finn sets out to find something red to quench Marceline’s hunger, but fails. In the nick of time, Princess Bubblegum arrives, and Marceline is able to satiate herself on part of Bubblegum’s pink flesh.