Cartoon Network is having a Ben 10 marathon week beginning Monday, March 19, 2012. With special episodes starting at 6:30 a.m. followed by Ben 10: Ultimate Alien at 4 p.m. this is all part of the build up for Ben 10: Destroy All Aliens which premieres March 23, 2012 at 7 p.m. Make sure you stay tuned after the movie, to catch a first look at the brand-new series, Ben 10: Omniverse, which debuts later this year on Cartoon Network. Also check CartoonNetwork.com for the new Ben 10 Game, The Mystery of the Mayan Sword.