Nothing in Adventure Time: Fionna and Cake season 2 prepares viewers for the emotional whiplash of Episode 8, an installment that blends cosmic trials, collapsing friendships, mystical lore, and ...

Upon arriving in the Undergrowth, Fionna immediately becomes trapped in a venus flytrap-esque plant, only to be rescued by Finn’s long-lost grass counterpart, Fern. While there is a version of Fern in ...