There's never been a dark type gym leader- until now that is! Jane is thirteen years old and ready to set out on her Pokemon journey and prove to the world dark types are nothing to be afraid of by becoming the world's first dark Pokemon master!

Characters from Steven Universe, Ed Edd n Eddy, The Grim Adventures of Billy and Mandy, Foster's Home for Imaginary Friends, OK KO, Regular Show, Uncle Grandpa and more unite to stop Numbuh One and the Galactic Kids Next Door from destroying the Cartoon Network universe!