Marceline, Simon, Finn, and Jake are on a quest through the multiverse to free Betty from Golb's control and resolve Simon's greatest guilt. They'll have to fight through lots of obstacles-including some aliens-before they eventually find Betty.
Marceline, Simon, Finn, and Jake are on a quest through the multiverse to free Betty from Golb's control and resolve Simon's greatest guilt. They'll have to fight through lots of obstacles-including some aliens-before they eventually find Betty.