Gwen is abducted through a portal, so Ben changes to XLR8 and follows after her. They find that Gwen's adult self came back in time to bring Ben into the future, saying that, although Ben's adult self has mastered the Omnitrix, he still needs some help that only his younger self can provide. It's not, however, the combined threat of Dr. Animo and Vilgax that she worries about. Written by Jesse Sanchez

The Tennysons stop by a Super Mall, where Ben participates in a hypnotist's show. The next day they find out something was stolen from the mall and an alien may be involved. That night they find Ben sleepwalking and causing havoc. Now team Tennyson must keep Ben awake to prevent more chaos and find out who's behind his sleepwalking. Written by Jesse Sanchez

While visiting Salem, the Tennysons encounter Charmcaster. She casts a spell and captures Ben in a magical sphere, but Gwen collides with the sphere and switches bodies with Charmcaster instead. As Charmcaster (as Gwen) gathers ingredients for another transference spell, Gwen (as Charmcaster) has to escape juvenile hall and get her family to realize a switch has taken place. Written by Jesse Sanchez / edited by statmanjeff

While driving through the desert, the Tennysons find Holiday Village, a small tourist trap town that seems to celebrate Christmas all year but contains a dark secret. Grandpa Max is soon made into Santa Claus while Ben and Gwen start turning into elves. Ben and Gwen must work together to free themselves and rescue Grandpa Max. Written by Jesse Sanchez / revised by statmanjeff

During the Tennysons stop at a Native American Reservation to visit an old friend of Grandpa's, the settlement is attacked by a Yenaldooshi (a Navajo werewolf). Ben fights him off as Wildvine but, once bitten, soon starts turning into a werewolf himself. Folklore dictates they have one day before the next full moon to cure Ben before his condition becomes permanent. Written by Jesse Sanchez

It's a rainy day. Gwen joins Ben in a computer game of Sumo Samurai Slamdown. As she starts beating him, Ben changes to Upgrade and regains his advantage, then lightning strikes the Rustbucket. Ben and Gwen end up inside the video game. The Omnitrix times out, and most of his Heroes no longer appear in the Omnitrix. Ben and Gwen must fight their way out of the video game. Written by Jesse Sanchez

While visiting the Planetary Studios theme park, Ben hopes to meet his favorite live-action TV hero, Kangaroo Commando, but he's both incensed and distracted by illustrator Tim Dean, who has ripped off the likenesses of Wildmutt, Four Arms and Heatblast and passed them off as his own cartoon creations. As a saboteur makes the park unsafe for everyone, Gwen pushes Ben to see past his pre-judgments of these two to help expose who's truly at fault. Written by statmanjeff

Exasperated by the kids' lackadaisical attitude over doing their chores, Grandpa Max signs them all up to work on a farm, forbidding Ben to engage the Omnitrix to breeze through his tasks. A recent mummy sighting engages Gwen and Ben to investigate the area and, indeed, they find a mummy - a set of wrappings animated by meteoric energy that can mutate living creatures with its radiation. Written by statmanjeff

While in Williamsport, PA, Ben comes across his school's baseball team, the Cannons, in the little league world series finals against an unusually superior team. Though in conflict due to school bullies Cash and JT being on the team, Ben uses XLR8 to secretly help the Cannons defeat the Squires, not realizing at first that the other team is as remarkably good as it is because they're robots, with a plot against the baseball-fan President of the United States. Written by statmanjeff

Ben chafes openly against having to pursue an interest of Grandpa Max for a change (that of seeing his favorite, past-its-prime rock band, Shag Carpeting, at a Chicago music festival). Meanwhile, an embittered local weatherman has problems when his defiant, artificially intelligent robotic weather machine decides it should be all that it can be, creating the most destructive weather possible. Written by statmanjeff

The Tennysons stop by NASA to watch a space shuttle launch, but the launch is delayed due to some alien interference, including the werewolf and mummy they had encountered earlier. This leads to a further encounter with a new alien monster who says it's all part of someone else's master plan. Written by Jesse Sanchez

With three alien monsters working with a fourth, Ben is going to need more help from Gwen and Grandpa, but he's too stubborn to realize it. The aliens are trying to create a shield around the Earth to block the sun so that their master, Ghostfreak, will be at full power all the time. Team Tennyson must stop Ghostfreak's plans. Written by Jesse Sanchez

Ben's insecurities over the Omnitrix are aroused when Xylene, an alien friend from Grandpa Max's plumber days, suddenly appears. Unable to accept not being the center of attention (after all, how could anyone not admire and covet his acquired powers?), Ben despises her presence. In due course he learns an embarrassing truth about the Omnitrix - it was indeed meant for a Tennyson to possess, but not Ben. Meanwhile, a Vilgax robot reawakens to carry out its mission, making Ben the center of its attention. Written by statmanjeff