Adventure Time with Finn and Jake: Season 4, Episode 6
4 - 6: Daddy's Little Monster
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.
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.