Finn has accidentally unleashed evil onto Ooo. Again. But before they can defeat this new villain, he escapes into another dimension through a portal. What adventures wait for Finn and Jake in another dimension?
Crossover - Adventure Time with Finn and Jake & Regular Show - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 12,722 - Reviews: 31 - Favs: 30 - Follows: 21 - Updated: 6/26/2011 - Published: 11/27/2010