Finn and Jake are banished to the Nightosphere by Marceline's dad. Later, they attempt to rescue Marceline and find out what's making her behave so strangely.
Season 4 Episode 6 of Adventure Time resulted in a 0.00 rating in the 18-49 demographic.
Adventure Time, originally titled Adventure Time with Finn and Jake, follows two best friends: Finn (a 12-year old boy) and Jake (a wise 28-year-old dog with magical powers), and the surreal adventures undertaken by the duo as they traverse the mystical Land of Ooo. A world built for adventure, Ooo is filled to the brim with various landscapes for the two buddies to explore and bizarre characters to assist.