See! Rubik the Amazing Cube as he returns for one last adventure. Watch! As kids try out the newest fad - getting Supe'd. Discover! The secret behind a small doorway in a little boys room. And finally, the creators imagine what Eternia's 24-hour gym might be like.
Elenco: Seth Green , Breckin Meyer , Matthew Senreich , Elijah Wood , Malin Åkerman , Dax Shepard , Dan Milano , Emma Stone , Tom Root , Laurent Vernin , Seth MacFarlane , Abraham Benrubi , Jamie Kaler , Victor Yerrid , Eden Espinosa .