Seasons & Episodes
And Then There Were 10
Average kid, ten year old Ben Tennyson, his Grandpa Max and his cousin Gwen's summer of adventure takes an odd turn when
Washington B.C.
Ben must fight Dr. Animo, a crazed scientist who has a DNA-altering device.
The Krakken
Ben has his hands full with a giant sea monster and an evil poacher.
Permanent Retirement
Ben must rescue his aunt and grandfather when they are held hostage by shape-shifting aliens.
Hunted
Ben is pursued by three bounty hunters sent by Vilgax to steal the Omnitrix.
Tourist Trap
Ben accidentally releases creatures made of electric energy and must use his own powers to recapture them.
Kevin 11
Ben meets a mutant who can absorb any form of energy and may be after the Omnitrix.
The Alliance
Ben clashes with a female gang member who's become part cyborg.
Last Laugh
Ben discovers an evil circus that's headed by a psychic vampire clown named Zombozo.
Lucky Girl
Ben battles a sorcerer who possesses a number of charms, and Gwen suddenly becomes a superhero when one of the charms fa
A Small Problem
Ben gets revenge on an amusement-park attendant who said he was too small to go on a ride.
Side Effects
Ben's summer cold causes strange physical changes in his alien personas.
Secrets
Vilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between
Truth
After the battle with Vilgax, Grandpa Max retells his story to Ben about his past. He was with an organization that was
The Big Tick
At Yellowstone Park, Ben and Gwen inadvertently discover a new form on the Omnitrix: Cannon Bolt, an armadillo-like alie
Framed
At a city, Ben, Gwen, and Grandpa Max are waiting outside a video game store to purchase the newly-released Sumo Slammer
Gwen 10
In this "how 'bout?" episode, Gwen gets the Omnitrix and the power that comes with it.
Grudge Match
In the middle of nowhere, Ben, as Diamond Head, fights Kevin 11, who is still in his mutated form. As they fight, they a
The Galactic Enforcers
At a museum, Ben sits and reads a comic, daydreaming about himself as a super hero. As Gwen interrupts him, she is not h
Camp Fear
When Ben and Gwen argue over a birthday party to occur in the next few months, Grandpa Max is distracted by their quarre
Ultimate Weapon
In Texas, a group of men discover a mysterious mask belonging to Ah Puch, the Mayan god of death and destruction. The ma
Tough Luck
Hex's niece, Charmcaster, enters the underground prison he's held at to release him out of his cell. With her help, Hex
They Lurk Below
Our heroes ride a jet belonging to Grandpa Max's old Friend, Donovan Grand Smith, who owns an underwater resort. At the
Ghostfreaked Out
A terrorizing nightmare of Ghostfreak is half the trouble for an unnerved Ben, as a tour of an important academy that Gw
Dr. Animo and the Mutant Ray
The Tennysons arrive at a swamp, where a festivities of Gatorfest start first thing the next day. Gwen finds Ben playing
Back With a Vengeance
The Megacruiser flies solo in space, and inside Kevin examines the giant ice block found in space. Inside the mass, held
Ben 10,000
When Gwen is abducted, Ben as XLR8 follows her abductor to the future where they discovered that her abductor is the fut
Midnight Madness
When Ben is hypnotized, he begins breaking the law while sleepwalking. Once the evil hypnotist called Sublimino discover
A Change of Face
Dressed as Pilgrims, to honor their history, while in the streets of Salem, MA, Ben, Gwen, and Grandpa Max witness an ex
Merry Christmas
Ben, Grandpa Max, and Gwen come upon a bizarre Christmas theme park run by an evil entity who thinks Grandpa Max is Sant
Benwolf
Ben, as Wildvine, is fighting against an evil werewolf and is bitten. The Omnitrix times out and Ben turns back to his h
Game Over
The Tennysons stay in as it rains outside, and Ben plays a video game to pass the time by. When Gwen decides to join in,
Super Alien Hero Buddy Adventures
Ben's alien heroes are starring in a silly network cartoon called Super Alien Hero Buddy Adventures and his favorite act
Under Wraps
In order for Ben and Gwen to learn the value of hard work, Grandpa Max takes them to a farm. Meanwhile, an alien mummy a
The Unnaturals
While attending the Little League World Series to see his home team play, Ben discovers that the opponents are actually
Monster Weather
Grandpa Max takes the kids to Chicago to see one of his favorite band, Shag Carpeting. The kids meet a weather reporter
The Return
While driving on a Florida highway, a bus of escaped felons rams into the RV. Ben transforms into Stinkfly (though not i
Be Afraid of the Dark
Ghostfreak's return spells disaster for our heroes. Grandpa Max and Gwen must deal with the mummy alien in space while B
The Visitor
While snowmobiling, two guys accidentally release an alien named Xylene from a strange container. At a park, Ben (as Wil
Perfect Day
Enoch and the Forever Knights return, putting Ben in a dream world where he's tricked into having the perfect day. Howev
Divided We Stand
Ben gains another Omnitrix hero to use, which he calls Ditto. Gwen can't stand being around the multiplying Dittos, and
Don't Drink the Water
After being in contact with water from the Fountain of Youth, Grandpa Max and Ben are reverted to being kids again. Now,
Big Fat Alien Wedding
Ben, Gwen, and Grandpa Max attend a family wedding. During the ceremony, a strange alien attacks. Will the two ever fini
Secret of the Omnitrix (1)
During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and T
Secret of the Omnitrix (2)
During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and T
Secret of the Omnitrix (3)
During a battle with Dr. Animo, the Omnitrix is accidentally set to self-destruct. In order to stop it, Ben, Gwen, and T
Ben 4 Good Buddy
While on a desert highway, the RV gets stolen by a group of modern-day pirates, who use it to go on a robbery.
Ready to Rumble
When Ben accidentally breaks Gwen's laptop, he participates in the "Ultimate Wrestling Competition" as Four Arms to get
Ken 10
In the future, Ben gives his son, Ken, an Omnitrix for his 10th birthday. However, Ben will have to learn to trust him w
Ben 10 vs. Negative 10 (1)
Ben, Gwen, Cooper and Grandpa Max face their last battle ever against the villains they have encountered and they will b
Ben 10 vs. Negative 10 (2)
The Forever King sets his plan in motion and recruits the most powerful enemies Ben has ever faced in order to steal the
Goodbye and Good Riddance
The summer finally ends. Ben and Gwen have to go back to their normal lives. Grandpa Max tells Ben to keep the Omnitrix
Popular Cast
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