4 seasons available
Team Tennyson visits the monuments of Chichen Itza, where Ben learns about the possible existence of a mythical creature; as Team Tennyson helps transport a caged Quetzalcoatl through the Yucatán jungle, saboteur La Grange hijacks the precious cargo.
While in Rome, Ben's quest for the best pizza helps the team halt the Bugg Brothers' latest culinary caper, but the vacation only gets messier when Team Tennyson stumbles upon Queen Bee's monumental heist.
The Tennysons find themselves stuck inside an inescapable funhouse constructed by Zombozo; Ben goes alien and fights for escape, ultimately proving that behind every illusion, there's a disappointing secret.
After Grandpa Max's supersmart buddy Phil discovers that a second extraterrestrial item crashed alongside the Omnitrix, Team Tennyson sets off to find the second crash site before someone else does.
Ben and Gwen learn a rumor of an alien invasion happening at the park they are camping at, but when they investigate, they discover a preserve containing a host of mutated creatures engineered by Animo.
Ben, Gwen and Grandpa Max arrive in Bismarck, N.D., for its annual celebration of bee pollination, bringing them face-to-face with Queen Bee and a bold new scheme, forcing Ben to conquer his new fear of bees.
Team Tennyson looks to take in the sights of Shoshone Falls, but when they arrive to find Steam Smythe siphoning off the water, it is up to Ben, Grandpa Max and Gwen to shut down the hydropower plant and save the falls.
Team Tennyson face Hex while on a trip to Lake Erie.
Team Tennyson competes in a challenging race that turns out to be more than it seems.
Ben must stop Hex from finding an ancient artifact.
Forever Knight returns when a hapless costume store employee finds his helmet.
Ben and Kevin 11 challenge each other to find the bottom of a so-called bottomless pit.
The gang tell stories around a campfire.
Ben and Gwen visit a fun center and tangle with Frightwig and Zombozo.
At the Mojave Wind Farm in Texas, Max and Gwen plan to set Ben straight on his kooky ideas about how wind works, but instead find the Weatherheads using the towering turbines for their latest nefarious plan.
Lord Decibel traps Team Tennyson inside the CD Library and demands a ransom; Ben and Gwen find Kevin on a potentially nefarious quest of his own, but it turns out that Lord Decibel may have already found the item that they so desperately desire.
Team Tennyson heads to the Okefenokee Swamp to witness the blooming of the Blushing Orchid; plans get disrupted when Tim Buk-Tu, trying to make his new "reality" show more exciting, endangers the rare flower and everyone else at the swamp.
The Bugg Brothers run a restaurant as a nefarious scheme to make loads of money off an unsuspecting public; the mischievous Twain Twins crash a sumo wrestling match to avenge their mother's medal snub years earlier at the Global Games.
Ben and Gwen are excited to enter a skating competition, but when Nanny Nightmare shows up to teach the skater kids some manners by turning them into babies, it's up to Team Tennyson to up their game at saving the day.
When Hex mistakes an exclusive magic club for a top-secret wizard society that snubbed him, Ben has to figure out how to work around the club's strict code of conduct to stop him without getting booted by security.
Ben's suspicions about his dentist are proven correct when he transforms into the monstrous Toothache.
When Steam Smythe time travels his way into a Renaissance fair and kidnaps Max, Ben and Gwen must defeat him without breaking character.
Team Tennyson participates in the inaugural ride of the fastest train in the world; the conductor turns out to be Lord Decibel, and Ben must derail his master plan.
Ben, Gwen and Grandpa Max are supposed to be taking in beautiful sights, but Ben refuses to put his video games away; the unexpected return of Xingo spurs him into action and teaches him that the real world is just as important as any virtual one.
Team Tennyson go on a tour of the new Biggie Box Candy Store but when Toothache breaks out and kidnaps the owner, it is up to Ben to stop the monstrous dentist.
Team Tennyson gets more than it bargains for during a visit to Raspberry Park, where what it thinks are innocent games of chance are actually a revenge plot by Zombozo to steal the Rustbuggy.
Team Tennyson travel to the new Laser Town VR, but when Kevin cheats his way to the top, Ben must team up with former champ Fang if he is going to defeat his souped-up rival.
Ben, Kevin and LaGrange find themselves stuck outside of time after the latter hijacks a supersonic train with a faulty engine, forcing the trio to team up and slow down.
As Team Tennyson fights to stop Dr. Animo from raiding an animal shelter, Ben faces one villain more than he bargained for: King Koil, now Animo's pet.
After Tim Buktu's livestream is mysteriously cut short, Team Tennyson must attempt a rescue mission and break inside the highly confidential Area 55 to save him.
When Grandpa Max's engineer buddy Phil Billings gifts Team Tennyson the Omni-Copter, Steam Smythe takes to the skies to ground Ben and company's first test flight.
During one last stop to a toy store before Ben, Gwen and Grandpa Max's maiden voyage across the Atlantic, Ben runs into an old bully, Kevin 11, who is now able to transform into aliens just like Ben.
Ben cannot get into a cat cosplay competition, Top Tail, without a costume of his own; when he goes Rath, a new catlike alien with an attitude, Ben's newfound wild side quickly becomes much more than he expected.
A trip to the South Pole goes upside down when Team Tennyson lands on the North Pole instead; the culprits, magnetically powered scientists Solar and Polar Twain, plan to hold the world ransom by threatening to reverse Earth's magnetic poles.
Ben, Gwen and Grandpa Max arrive at a Native American national park to witness an ancient Stonehenge-like rock formation; when the sorcerer Hex arrives, Ben must battle a beast Hex magically makes out of huge rocks.
During medieval times, Team Tennyson must fight to remember that they're not in the past at all, but actually at a Renaissance fair, where King Zombozo has hypnotized its guests into thinking that they live in the past.
After an overpass collapses on the highway, Team Tennyson becomes stuck in a traffic jam along with Simon Sez and family; when Ben and Simon team up to tackle the gridlock together, Simon only makes matters much, much worse.
After traveling to Florida, Team Tennyson hopes to get some much-needed rest and relaxation, but the tempests without a temper, the Weatherheads, have plans to build a new beach base.
During a family cookout at a forest campsite, Charmcaster uses her magic to switch places with Gwen; when Ben catches Charmcaster sneaking about, he attacks, unaware it's actually his cursed cousin.
Ben, Gwen and Grandpa Max hike in Aspen, Colo., to find the Forgeti, but when they stumble upon Billy Billions' own Winter in July ski resort, Ben must battle Billy with an assist from the Forgeti itself.
Ben's recreational drive in the Rustbucket takes a turn when the Rustbucket morphs into a monster.
Team Tennyson wonders what the Bugg Brothers are up to when the group runs into the villains while vacationing at the Chrysalen Institute.
After a battle with Kevin gets cut short, Ben turns his attention to one upping Gwen at Space Camp; Kevin returns with his sights strangely set on his cousin.
When attacked in the jungle, Team Tennyson is saved by a toddler who looks eerily similar to Tim Buktu, but when they discover it really is a pint-sized version of the nefarious globetrotter, Ben knows there's another threat looming.
Team Tennyson discovers a Hartfield-McJoy re-enactment in the cornfield next door, but when Hex resurrects the ghosts of the real feuding families, Ben must find a way to bring them together if he is to save the day.
While Phil and Grandpa Max tune up the Omni-Copter, a restless Ben takes the Rustbuggy off-road, but when he is suddenly captured by Textrax, he must not only escape but avoid the wrath of the double-crossed Kraab and Sixsix.
Team Tennyson discovers that a small village's goats are being terrorized by the legendary Chupacabra, but when Ben realizes it's actually Dr. Animo, he must thwart the dastardly doctor.
After winning a Sumo Slammers Champion belt, Ben returns to the Rustbucket to find his prize in the arms of Kevin, but when his rival hijacks the Rustbuggy instead, he must stop at nothing to get back what's rightfully his.
At a local swap meet, Ben sets his sights on a Sumo Slammer collectible; when Kevin takes the valuable for himself, Ben must get it back by overcoming Kevin's secret weapon: an 11th alien.
During their visit to Twin City, Ben and Gwen sign up for some Laser Town awesomeness, but when Ben is teamed up with Kevin, the two must overcome their differences if they are to end up on top.
Team Tennyson goes international in the Omni-Copter and the first stop is for a hike in the Scottish Highlands, but the weather isn't just bad, it's foggy.
Ben, Gwen and Grandpa Max travel to Castle Bishopbrook to visit a distant relative; when Ben encounters a "ghost" at the haunted home, it turns out to actually be his new rival, Kevin 11, throwing even more aliens his way.
While in Paris, Ben catches Zombozo robbing the Louvre; when Zombozo hypnotizes Ben to remain speechless, Ben must navigate a foreign land like a mime in order to stop the criminal clown and his traveling circus.
Team Tennyson checks out a samurai museum in Tokyo, where Ben is too impatient to wait out the calligraphy experience for the more exciting-sounding samurai one.
During a tour of the Japanese Robotics Museum, Ben finds hero-gone-wrong Tim Buktu trying to save Tokyo from a dragon.
Steam Smythe attacks a video game store during the release of a new Sumo Slammers game and Ben must stop him without endangering the long line of customers.
While visiting Big Ben, Ben stumbles upon a plot to steal the famous bell.
LaGrange prepares to race Vin Ethanol at the Great Wall of China.
When a mysterious electrical storm downs the Omni-Copter at the Equator, Team Tennyson soon discovers Solar and Polar are behind it; problems arise when Ben accidentally combines the duo into a more powerful Uni-Twin.
Ben bristles at Gwen's suggestion that she be his new sidekick, but when a music festival is threatened by the supersonic sound waves of Lord Decibel, Ben is helped by some familiar faces.
Forever Knight finally assembles his Round Table of young but super powerful baddies in an attempt to conquer all of history.
When the entertainment at a gala turns out to be Zombozo in disguise, guest of honor Ben must not only defeat the evil clown but his mysterious new sidekick, Pirouette.
Ben must be creative to stop his foes when LaGrange sabotages his Omnitrix.
Forever Knight forces Ben to become a gladiator to save his family.
Ben enjoys some of the perks of being the park's only attendant.
A terrifying Scare-Crow constantly haunts Team Tennyson.
Team Tennyson travels all the way to Wheeler.
A new Xingo app mysteriously appears on Gwen's tablet and causes a stir.
Ben and Gwen can't wait for the Omni-Copter to make its arrival.
Kevin 11 gives Xingo a power up and sets him loose.
Team Tennyson stops in at a fringe family reunion.
Zombozo hypnotizes Grandpa Max's entire baking class and puts them under his spell.
Team Tennyson's thrift store shopping is ruined by LaGrange's latest high-speed heist involving a superfast electromagnetic racing car.
Team Tennyson travels to a ski resort for some fun and good times until Ben runs into the Weatherheads.
When Ben sees Vin Ethanol impressed with Kevin's automotive know-how, Ben's jealousy has him convinced that he has to outdo Kevin before the older boy influences Vin to embrace his bad-guy side at a charity race.
All Ben wants to do is stop Queen Bee from robbing a bank, but Kevin shows up to try and be the hero and take all the glory for himself.
At a poetry slam event, Charmcaster's reading of Kevin's poetry causes magical trouble for Ben and Gwen, causing mind swaps that have everyone confused as to who's fighting who.
Ben and Gwen look for the infamous Bojamboo and discover that it's actually the Forgeti; Ben and Kevin reverse roles after being blasted with the Forgeti's forgetfulness mist.
Team Tennyson visits the safety-neutered version of Adrenaland known as "Adrenaland Jr.", only to end up facing off against a bitter Kevin 11 out to destroy everyone else's good time.
When Kevin convinces Steam Smythe to adopt a modern approach in fighting Ben, the young hero must resort to old-fashioned thinking to save the day.
Ben and Gwen's social media battle with Kevin 11 quickly escalates into an all-out war in real life.
On a visit to Cape Canaveral, the Tennyson Trio attend the launch of an experimental space plane, but when Vilgax hijacks the ship, Ben must stop him from weaponizing the shuttle.
After stumbling upon a cute cat-dog-rabbit creature hybrid, or Cadobbit, Ben ignores Grandpa Max's advice and sneaks the animal onto the Rust Bucket.
During the Biggie Box sale, Ben enlists Simon Sez to help him find Max and get back to the register with his toys before the sale ends and Billy Billions buys them instead.
Aboard the SS Pettigrew, on its final voyage, Ben must not only battle seasickness, but Steam Smythe, who looks to use his mechanical creatures to sink the steamship's replacement.
After their attempt to get a photo with every storefront mascot is foiled, Ben and Gwen sneak out at night to get their photo taken with the wooden bear totem known as Yawk.
When a cavity forces Ben to the dentist, his day gets even worse when the malevolent magician Hex uses a nearby dream catcher to bring Ben's fears to life.
When the Rust Bucket must tune-up in the same town as Zombozo's latest campaign trail stop, Ben soon discovers the clown is using his speeches to hypnotize then rob the town.
As the Tennyson trio dig up dinosaur fossils in the Badlands, Ben is unaware that Vilgax and Dr. Amino have teamed up to steal alien DNA from within the Omnitrix.
During a live feed of a transcontinental bullet train, La Grange enters the picture to outrace the train, but Ben joins in on the fun and will stop at nothing to come out on top.
Ben and Gwen must save the drive-in when the evil magician Hex brings a movie monster to life.
Ben and Gwen are in a highly competitive paper airplane war, but when alien-tech drones bombard the Rust Bucket, the cousins must work together to ground the aerial attack.
On their trip to Adrenaworld West, Ben takes a detour on a jungle cruise and finds himself hunted by the evil Tim Buktu.
While sightseeing at the Geyser Gulch National Park, the Tennyson trio uncovers Steam Smythe's steam-powered generator and must shut it down before it overloads the power grid.
When Max enters a pancake eating contest at the famous Pancake Palace, Ben finds the Bugg Brothers and must stop them before they obtain an endless supply of Pancake Palace pancakes.
During a routine trip to the DMV, Max takes a driving test to renew his license, but a disguised Zombozo hijacks the role of instructor.
As Team Tennyson leaves the Frozen Man Festival, Lord Decibel takes center stage to threaten the festival-goers, creating an avalanche if his ransom isn't paid.
Ben and Gwen spend the day volunteering at Repto Ranch and come face to face with King Koil.
With the Rust Bucket stopped on the Midwest roadside, Ben locks himself inside with his tablet as Max and Gwen enjoy the great outdoors.
During a trip to the Lake of the Ozarks, Ben and Gwen squabble over Ben's unnecessary half-birthday celebration; when Max gets word of a suspicious rockslide nearby, the cousins must put aside their differences if they are to rescue trapped miners.
While Max and Gwen indulge in the magic of winter, Ben doesn't care until villains suddenly appear with the goal of destroying winter forever.
Left to entertain himself, Ben stumbles upon a Xingo arcade game and goes OE-Shock Rock to power it up; when the game receives too much juice, Xingo leaps out into the real world.
While Gwen listens to a lecture on the Transcontinental Railroad, Ben sneaks away to the gift shop; Gwen must relay the information she learned on the train to help Ben escape the Bounty Hunters.
Max tries to be with Ben and Gwen before sunset at the Four Corners Monument, but suddenly heavy fog descends on the street and the motor home is attacked.
Ben, Max, and Gwen say Ben might be a better hero if he could act alone, but Vilgax teams up with Zombozo and creates a huge monster to hypnotize the whole world.
Ben visits a space museum and learns that new parts of space are being investigated in the museum's laboratory.
When Ben and Gwen visit Fort Knox, the villainous Charmcaster appears, seeking revenge for Michael Morningstar; Gwen faces off against Charmcaster to prove her worth to the team.
When Ben and Max get into an argument, Ben goes Heatblast to blow off steam against Max's wishes; Dr. Animo spots him and subsequently turns Max into a chicken.
Ben grows impatient with the snail-like pace of gardening and goes O-E Overflow to pick up the pace, but accidentally floods the community garden; a giant sinkhole appears and frees King Coil and his Komodo Dragon from below.
Ben finds an internet video that shows how Cannonbolt disassembles a computer lab; Ben quickly discovers that a fake version of his alien is terrorizing the campus.
After Billy Billions' efforts to carve his face onto Mount Rushmore with a laser are thwarted by Ben, the billionaire brat turns his focus on removing Ben from the Omnitrix.
While bird watching at Pinnacles National Park, Gwen and Ben get into a competition to see who can spot more birds; once a forest fire interrupts their fun, team Tennyson must hurry to save the bird population.
As team Tennyson admires the efficiency of a super modern train station, Ben is quick to sniff out one of Steam Smythe's robots holding up the line.
After a series of recurring nightmares affect his sleep, Ben refuses to open up to Max and Gwen about what's bothering him; they realize Zombozo is behind it.
The villainous Fly Guys use a clever and evil trick to steal the Rust Bucket while poor Ben is cleaning it.
When Ben interferes with magician Hex's quest to switch bodies with Gwen.
Ben, Gwen, and Max's trip to Niagara Falls is cut short by the Hydromanders.
While winning big on a Sumo Slammers video game, Ben gets the idea to try a real wrestling match.
Ben accidentally allows the Bug Gang to go free, while filming his own indie film.
Ben and Gwen's camping trip is interrupted by the Weatherheads.
Ben learns the value of teamwork in order to escape from an animal prison.
Ben teams up with Grandpa Max's college buddies to keep the clown Zombozo from robbing a stadium.
Ben, Gwen and Max take a tour of Fort Knox.
Ben gets a rare Sumo Slammers card during a tour of historic Oldeville.
Ben can't keep quiet and awakens a dragon, while at a no-noise monastery.
Ben and Gwen try to stay awake all night in a theme park that is open 24 hours a day.
A wizard cosplayer gets his hands on a magical wand at Comic Con.
In a coastal town Ben must face his worst fear, squid.
Ben and Gwen are transformed into babies by Nanny Nightmare.
The gang meet a family that appears to be a mirror image of them.
Ben uncovers a plot by LaGrange to find treasure buried below Yellowstone National Park.
Ben has to stop villain Steam Smythe from getting the power source sealed in a Tesla time capsule.
Ben earns extra money by mowing Bob's lawn.
Ben and Gwen are excited to attend an Earth Day EDM concert in Portland.
When Ben tries to save the Hoover Dam from disaster, tough guy hero Tim Buktu swoops in to help.
When the trio visits the set of a movie, Ben discovers that the star, Michael Morningstar, is an energy vampire.
Three famous chefs set their sights on using Wildvine in an exotic dish.
When Ben claims that a girl is Frightwig in disguise, no one believes him, and Ben sets out to prove his case.
During a book signing, Ben must stop Hex from getting his hands on a grimoire that can create hybrids.
Xingo leaps from his animated dimension to that of Ben's dimension.
When the Rust Bucket breaks down, the trio finds themselves in the last leg of an off-road auto race.
Ben is attacked by a gang of Dr. Amino's biker mutants, the Ground Hawgs, while trying to play mini golf.
When Ben, Gwen and Max return to Max's alma mater, they learn that Dr. Animo has found a way to release the animal nature within humans.
While visiting the "House of the Future," Ben finds Steam Smythe searching for a device that will allow him to create weapons.
Ben, Gwen and Max search for a legendary Forgeti, a yeti that makes people forget; Dr. Animo conspires to use the Forgeti for a plot to rob banks without anyone remembering.
Ben goes to the Big Bacon Pig Parade, but childhood friend Penny Heaven meets the family to ruin Ben's fun with her safety-obsessed self.
The Bugg Brothers return with a plan to duplicate Diamondhead, but their cloning ray gun fires on Max instead -- multiplying him endlessly.
When the Rust Bucket runs out of gas, Ben, Gwen, and Max are forced to stay at a hotel being menaced by Creepy Carl, a local folklore expert, who may actually be a ghost.
Ben, Gwen and Max visit their favorite amusement park, which has been renovated and rebranded as AdrenaWORLD, and learn that it is being managed by Zombozo and his trio of new henchmen.
Ben and Billy Billions clash in a duel for supremacy at the Laser Tag Park, but when Billy inadvertently ignites a robot rebellion, their game escalates into a full-blown war.