Episode Title:It Came from the Nightosphere.Episode Description:After Marceline (voiced by Olivia Olson) sings a song about the relationship between her and her estranged father, Finn (voiced by Jeremy Shada) releases Marceline's dad (voiced by Martin Olson) from the Nightosphere so that father and daughter can reconnect. However, Finn is forced to stop him from stealing all the souls in Ooo.