Adventure Time: Fionna and Cake Episode 5 Destiny Episode Title: Destiny Episode Description: Fionna, Cake, and Simon attempt to find the crown in the Farmworld. After the crown was removed and destroyed by Prismo, adult Farmworld Finn has children and his son, Jay, brings the trio to their home to stay. Jay later brings the trio to the crater where the crown once sat, where they merely find some remaining shards, before being seized by the Destiny Gang. Scarab, just capturing Prismo, finds the crater and he is teleported away along with the trio, who take a shard to fix Prismo’s remote.