Grandpa Max takes Gwen and Ben to a music festival in Chicago to see his favorite old time band, Shag Carpeting, but the event is interrupted by a weather-controlling robot called S.A.M. Ben uses Four Arms to send shockwaves to the robot, eventually destroying him.

When Ben and Max go on a fishing trip with Captain Shaw, they encounter the Krakken that lives in the lake. With Gwen’s help, they find out that the creature is upset because Jonah Melville, a poacher pretending to be an animal lover, is stealing its eggs.

While visiting a travelling circus, Ben fights an evil clown named Zombozo who is draining people’s souls through their laughter. Conquering his own fear of clowns, Ben defeats Zombozo by terrifying him as Ghostfreak, and saves his family. Ben admits that he scares himself while fighting as Ghostfreak.

A shuttle launch at NASA is interrupted by a purple lightning storm, which attracts the attention of the Tennysons, who hope to discover the origin of the alien werewolf and mummy. While at NASA, Ben runs into an ill-tempered scientist named Dr. Viktor. Surveillance tapes associate him with the purple lightning storm, and he is […]

When a television show called Super Alien Hero Buddy Adventures shows up, Ben gets angry and demands credit since it stars cartoon versions of Fourarms, Heatblast, and Wildmutt. Furthermore, it has replaced his favorite show, Kangaroo Commando. It just so happens Ben and Gwen are visiting Planetary Studios in Hollywood at the time, so he […]

While visiting Washington, D.C., Ben confronts Dr. Animo, a disgruntled scientist whose Transmodulator can mutate living animals, and even resurrect dead ones, and eventually learns a lesson about what being a hero really means.

The family ride a jet belonging to Grandpa Max’s old friend, Donovan GrandSmith, who owns an underwater resort in the Bermuda Triangle. At the entrance, they receive a warm welcome from Donovan himself, though they also meet with his grandson, Eddie, who doesn’t seem to be excited about their guests. When Eddie, Ben, and Gwen […]

Ben has been having strange nightmares about Ghostfreak. During a tour of an academy school Gwen wishes to attend, Ben sees and hears Ghostfreak everywhere. When Frightwig, Acid Breath, and Thumbskull show up, Ben activates his Omnitrix; however, it transforms him into Ghostfreak. After a vicious battle, Ghostfreak escapes from the Omnitrix. Ghostfreak removes his […]

During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and Tetrax travel across the vastness of space to track down the Omnitrix’s creator, Azmuth.

Ben, Gwen, and Grandpa Max attend a family wedding for Max’s nephew Joel and his bride-to-be, Camille. Before the day of the wedding, Ben interrupts a mud alien’s attempt to sabotage the wedding. Ben defeats the sludge alien as Cannonbolt but finds the groom’s parents pointing rifles at him soon after. He escapes with Gwen’s […]

During a visit to a Navajo village in New Mexico, owned by Max’s old Plumber partner Wes Green, Ben falls in love with Wes’ granddaughter Kai, while a wolf-like creature appears in a flash of purple lightning. Wes believes it to be a Yenaldooshi, or Navajo werewolf. It stole and ripped the receiver. Wildvine fights […]

When Sixsix and his new partner Vulkanus arrive in Pittsburgh in search of raw minerals to build a devastating bomb, Ben joins a group of alien super heroes, the Galactic Enforcers, to stop them. However, all is not well with the new group, as a small gift of Ben’s chocolate weakens the group’s leader, Ultimos, […]

Max’s Plumber equipment detects that an ancient mask had been unearthed in Texas. This quickly triggers a change in Max’s attitude; he claims that this artifact would lead to the most powerful weapon ever designed, and that he should retrieve it before it falls into the wrong hands. Max immediately becomes more impatient, worse-tempered, and […]

Ben transforms into Grey Matter to escape from Ghostfreak and Viktor. He is able to discern Ghostfreak’s plan from a computer terminal: using the corrodium to amplify the power source of the orbiting space station, in conjunction with the device the alien werewolf built in New Mexico, Ghostfreak is intent on covering the daylight side […]

When Ben tries to take apart the Omnitrix to see how it works, he ends up breaking off its face and causing weird combinations of his alien forms when he transforms. Additionally, the broken piece begins mutating the smaller creatures it comes into contact with. Meanwhile, Dr. Animo escapes from prison and, during a battle […]