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 […]

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.

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 […]

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 […]

Ben and Gwen are playing the Sumo Slammer video game and Gwen is beating Ben at it. Ben turns into Upgrade and merges with the computer so he can lower Gwen’s score. As Gwen tries to get Ben out, lightning hits the van and zaps them both into the game. They realize that all of […]

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 […]

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 […]

Distracted by Ben and Gwen quarreling, Max almost hits a young camper named Gilbert on the road. They take the boy back to his camp, Camp Opinicon, only to find no one there. As they investigate the premises, they find two more children, twins named Andy and Mandy, who are hiding from something that caused […]

While in a tourist trap town called Sparksville[disambiguation needed], Ben plays a practical joke that accidentally unleashes Megawatts, small electric creatures. Ben must stop them from multiplying out of control and destroying the town, and turns into Heatblast to seal the Megawatts in a large fishbowl.

After damaging Gwen’s new laptop, Ben enters a mutant wrestling competition as Four Arms to earn some money to replace it, becoming an instant celebrity. During the tournament, he fights a pair of mutant brothers who owe a mob boss a large sum of money to save their farm. They entered the competition to pay […]

During a trip to Yellowstone National Park, Ben discovers the eleventh alien on the Omnitrix, Cannonbolt. At the same time, a meteor crashes nearby unleashing a giant, tick-like alien called the “Great One” that intends to devour Earth. Ben easily defeats the worshippers, but the Great One turns out to be impervious to the original […]

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 […]

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 […]

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, […]

To teach Ben and Gwen the value of hard work, Max takes them to a family farm owned farmer Joan Maplewood in Dairyville, South Carolina. During dinner there, Joan’s son Todd tells Ben and Gwen of a mysterious mummy that had recently arrived in a flash of purple lightning that sparks their curiosity. The two […]

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 […]