Once Upon a Timely Adventure

You have heard about the land of Ooo. You have heard about the land of Aaa. Now join us in the land of Mmm where sushi and pasta don't get along, sea lions are trying to take over the universe, and the lands greatest heroes have found a mysterious map to somewhere far away.
Oh, and Princess California Roll dies apparently.

Disclaimer: I do not own Adventure Time, Ooo, Aaa, or 3MO.