Summer's over and Ben is back at school. Unable to tell anyone that's he all these cool aliens that they've heard about all summer, Ben suddenly realizes he's gone from a "hero" to a "zero," that is until Vilgax comes after him with a vengeance.

Ben, Max Ben and Gwen investigate a couple of daring break-ins, only to discover they were once both secret Plumber installations.

Ben, Max and Gwen put up an Alamo-like stand inside the bunker at Mount Rushmore and against great odds defeat the Forever King's band of baddies.

Ben and Gwen's backseat bickering escalates into an all out battle between Ben's Omnitrix and Gwen's magic.

Ten year old Ben Tennyson, his Grandpa Max and his Cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch-like object (the Omnitrix Prototype) that has been jettisoned from alien spacecraft high above the earth.

Ten year old Ben Tennyson, his Grandpa Max and his Cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch-like object (the Omnitrix Prototype) that has been jettisoned from alien spacecraft high above the earth.

Ten year old Ben Tennyson, his Grandpa Max and his Cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch-like object (the Omnitrix Prototype) that has been jettisoned from alien spacecraft high above the earth. 3

Ten year old Ben Tennyson, his Grandpa Max and his Cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch-like object (the Omnitrix Prototype) that has been jettisoned from alien spacecraft high above the earth. 4

Ten year old Ben Tennyson, his Grandpa Max and his Cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch-like object (the Omnitrix Prototype) that has been jettisoned from alien spacecraft high above the earth. 5

Ten year old Ben Tennyson, his Grandpa Max and his Cousin Gwen's summer of adventure takes an odd turn when Ben discovers a watch-like object (the Omnitrix Prototype) that has been jettisoned from alien spacecraft high above the earth.

Ben and his alien hero personas must battle Dr. Animo, a crazed mad scientist bent on revenge and armed with the DNA altering transmorpher device.

Ben and his alien hero personas must battle Dr. Animo, a crazed mad scientist bent on revenge and armed with the DNA altering transmorpher device.

While stopped at a lakefront campsite, Ben has a chance encounter with a Loch Ness-type sea monster called a Krakken.

While stopped at a lakefront campsite, Ben has a chance encounter with a Loch Ness-type sea monster called a Krakken.

Grandpa, Gwen and Ben visit a spinster relative only to find that her retirement community has been overtaken by a shapeshifting aliens called Limax. 1

Grandpa, Gwen and Ben visit a spinster relative only to find that her retirement community has been overtaken by a shapeshifting aliens called Limax. 2

Grandpa, Gwen and Ben visit a spinster relative only to find that her retirement community has been overtaken by a shapeshifting aliens called Limax.

Grandpa, Gwen and Ben visit a spinster relative only to find that her retirement community has been overtaken by a shapeshifting aliens called Limax.

Grandpa, Gwen and Ben visit a spinster relative only to find that her retirement community has been overtaken by a shapeshifting aliens called Limax.

Ben finds himself hunted down by three alien bounty hunters--the crustacean-like Kraab, the mechanical assassin Sixsix and the mysterious hoverboard--hired by Vilgax to procure the prototype watch.

Ben finds himself hunted down by three alien bounty hunters--the crustacean-like Kraab, the mechanical assassin Sixsix and the mysterious hoverboard--hired by Vilgax to procure the prototype watch.

After a blow-out argument with Max, Ben rebels by going out on his own in the Big Apple. He soon makes friends with Kevin, a mutant with the power of to absorb any form of energy to make himself even more powerful.

After a blow-out argument with Max, Ben rebels by going out on his own in the Big Apple. He soon makes friends with Kevin, a mutant with the power of to absorb any form of energy to make himself even more powerful.

As Fourarms, Ben is working to thwart an armored truck robbery by a tough and heavily armed female gang leader named Joey, when he is attacked by a new set of Vilgax's Mechadroids.

Ben's fear of clowns emerges at an unfortunate time when our heroes stumble upon a wicked circus with a "psychic vampire" clown named Zomobozo as its ringmaster, who leads the venom-spewing Acid Breath, the Medusa-like Frightwig and the bizarre strongman Thumbs.

Ben battles Hexlord, an evil sorcerer whose power emanates from several mystic charms--one of which falls into Gwen's possession after the battle.

Ben battles Hexlord, an evil sorcerer whose power emanates from several mystic charms--one of which falls into Gwen's possession after the battle.

Ben battles Hexlord, an evil sorcerer whose power emanates from several mystic charms--one of which falls into Gwen's possession after the battle. 3

When Ben is prevented from riding an attraction at a water park because he isn't tall enough, he decides to go alien to get even with the ride's attendant. Unfortunately the unpredictability of the prototype watch causes him to become stuck as Grey Matter instead.

When Ben's actions cause him to catch a summer cold, the normal symptoms (watery eyes, stuffed up nose, cough, etc.) take on strange physical changes in his alien personas.

Healed and enhanced from his injuries, Vilgax decides to procure the prototype himself rather than relying upon subordinates, mercenaries, etc.

Max's ex-partner as a plumber, Phil, resurfaces with nefarious intentions. He steals the dangerous Null Void Projector, which puts our heroes in jeopardy until Grey Matter is able to turn the projector on Phil and put him permanently inside the projector.

A giant alien tick that "sucks planets dry" lands in Yellowstone National Park with the sole purpose of spreading its toxins and destroying the earth.

In New Mexico, Max stops to visit an old friend, who’s a Navajo Chief. Suddenly a powerful storm comes out of nowhere, and behind bolts of purple lightning a NAVAJO WEREWOLF appears.

In New Mexico, Max stops to visit an old friend, who’s a Navajo Chief. Suddenly a powerful storm comes out of nowhere, and behind bolts of purple lightning a NAVAJO WEREWOLF appears.

Ben's feeling cocky with the watch. He's "unlocked" its secret, and he can now become any alien he wants, whenever he wants. That's the good news.

Dr.Anino has broken out of jail and, intent on revenge, has been tracking Ben,. At the same time, Ben has broken off a piece of the Omnitrix, and as a result, has turned into weird alien combinations, i.e. StinkArms. 1

Dr.Anino has broken out of jail and, intent on revenge, has been tracking Ben,. At the same time, Ben has broken off a piece of the Omnitrix, and as a result, has turned into weird alien combinations, i.e. StinkArms.

Gwen's Lucky Girl powers return when she buys a magical stone at a magic convention in Las Vegas.

Max's longtime friend has just built the world's only underwater resort, and Ben, Gwen and Max are invited for a sneak peak.

Max's longtime friend has just built the world's only underwater resort, and Ben, Gwen and Max are invited for a sneak peak.

Carjackers steal the Rust Bucket with Ben inside and get more than they bargained for when Four Arms shows up.

Ben's attempt to retrieve a snack from a vending machine backfires in a big way.

When Ben goes against Max’s rule that he must start the campfire himself, Heatblast pays the price.

Ben and Gwen can't take anymore of Max's music on the radio, so Ben goes Upgrade and mixes it up.

Max is snoring like crazy and it is keeping Ben awake! Now he must struggle to figure out a way to get to sleep!

Things don’t turn out like Ben planned when he rescues an elderly woman’s purse.

Ben and Gwen battle over front seat bragging rights in competitive game of Roadside Bingo.

A pair of thieves raid a local museum and it's up to Ben to chase them down and retrieve the highly fragile artifacts, safely and gently.