Ben 10 Season 4 Episodes

Find out where to watch Season 4 of Ben 10 tonight

Season 4 Episode Guide

Episode 1 - Chicken in Chichen Itza

While visiting Chichen Itza, Ben tracks down the mythical Quetzalcoatl, but when he learns it's actually Dr. Animo's latest experiment, Team Tennyson vows to transport the creature to safety, only to be derailed by La Grange, who hijacks the precious cargo!


Episode 2 - Ben in Rome

While in Rome, Ben's quest for the best pizza helps them halt the Bugg Brother's latest culinary caper, but the vacation only gets messier when Team Tennyson stumbles upon Queen Bee's monumental heist!


Episode 3 - Tokyo Fun

After Ben heroically shuts down the Bugg Brothers latest nefarious restaurant, Team Tennyson looks to enjoy sumo wrestling at the Global Games, but when the Twain Twins crash the event, Ben must stop the polarizing siblings if he is to salvage the family vacation in Tokyo!


Episode 4 - Funhouse

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.


Episode 5 - Summer Breakers

After Grandpa Max's super smart 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 but arrive instead to find nefarious newcomer Breaker One-Nine has already beat them to the punch.


Episode 6 - The Monsters in Your Head

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! With the unexpected help of Kevin 11 and his family, Ben proves that the rumors are false, and that truth is stranger than fiction!


Episode 7 - Queen of Bees

Ben, Gwen and Grandpa Max arrive in Bismarck, North Dakota 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!


Episode 8 - Falls, Falls, Falls

Team Tennyson looks to take in the sights of the Shoshone Falls, but when they arrive to find Steam Smythe siphoning off the water, it is up to Ben to distract the steam punk baddie long enough to allow Grandpa Max and Gwen the time to shut down the hydropower plant and save the Falls.


Episode 9 - The Greatest Lake

While visiting Lake Erie, a relaxing day at the beach gets all washed up when Ben, Gwen and Grandpa Max come face-to-face with Hex, and his summer intern, Kevin!


Episode 10 - Mud on the Run

Ben gets a tough lesson on knowing his limits when he competes in a grueling obstacle race, made even worse by the Weatherheads!


Episode 11 - It's Story Time

After the Rustbucket breaks down, Ben, Gwen and Grandpa Max find themselves killing time at the local town library but soon scramble to out maneuver Hex as he searches for a hidden ancient artifact.


Episode 12 - Cosplay Day

Team Tennyson enjoy the biggest convention in town, but when a gawky costume store employee finds a familiar-looking helmet in the back of the store and tries it on, Ben is faced with the return of an old foe in a new form: Forever Knight!


Episode 13 - Bottomless Ben

While visiting Carlsbad Caverns National Park, the Tennyson's come across the "Bottomless Pit", a naturally formed pit with no bottom. Ben fights his better judgment to jump in the pit and be the first person to find the bottom, until Kevin 11 shows up and starts to goad Ben into a contest to the bottom of the pit! The natural rivalry is put on hold, however, with the arrival of Breaker One-Nine, who has come to destroy the Caverns!


Episode 14 - Tales from the Omnitrix

Team Tennyson trade campfire stories in an anthology-style series that pits Ben against his archrival, Kevin 11, and teaches our hero the power of imagination.


Episode 15 - Party Poopers

Ben completely ignores Gwen when she takes him to a family fun center. Meanwhile, Frightwig pushes Zombozo back into a life of crime after he ends up becoming a party clown. Now, both Ben and Zombozo will have to learn that you shouldn't ignore your friends!


Episode 16 - Wind Some, Lose Some

At the Mojave Wind Farm in Texas, Max and Gwen plan to set Ben straight on his kooky ideas about how wind works, but when they find the Weatherheads using the towering turbines for their latest nefarious plan, will Ben face facts in time to blow them away?


Episode 17 - Digital Quality

Ben and Gwen don't want to go to the CD Library. CDs are for old people. Ew. Once Team Tennyson is there, Lord Decibel traps them inside and demands a ransom. Ben and Gwen find Kevin inside 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.


Episode 18 - Tim Buk-TV

Team Tennyson heads to the Okefenokee Swamp to witness the blooming of the Blushing Orchid, something that happens once every one hundred years. But their 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.


Episode 19 - Gentle Ben

Grandpa Max's alma mater asks him to use the Omni-Copter to transport an important exhibit to an exotic nature reserve, but when the exhibit turns out to be a rare and very large baby moth, Ben must keep Tim Buktu from stealing the moth while learning that sometimes you need to use finesse and not force to solve hard problems.


Episode 20 - Growing Up is Hard to Do

Ben and Gwen are stoked 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 if they are to have any chance at saving the day.


Episode 21 - The Hex Factor

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.


Episode 22 - Sweet Tooth

While on a trip to the dentist's office, a paranoid Ben grows uneasy over the dentist's odd behavior and goes into hiding, but when his suspicions prove right, and the dentist transforms into the monstrous Toothache, Ben must pull himself together if he is to save the day!


Episode 23 - Medieval Upheaval

When Steam Smythe 'time travels' his way into a Renaissance Faire and kidnaps Max, Ben and Gwen must defeat him without breaking character.


Episode 24 - Speed of Sound

Team Tennyson participates in the inaugural ride of the Sonitrain, the fastest train in the world, but when the conductor turns out to be Lord Decibel, Ben must derail his master plan if he is to save his family and the passengers on board the runaway train.


Episode 25 - Xingo's World

Ben, Gwen, and Grandpa Max are on the road again and are supposed to be taking in the beautiful sights, but Ben refuses to put his video games away. Only the unexpected return of Xingo can spur him into action and teach him that the real world is just as important as any virtual one!


Episode 26 - Tummy Ache

Team Tennyson go on a tour of the new Biggie Box Candy Store, but when Toothache breaks out and kidnaps the owner, Mr. Biggie, it is up to Ben to stop the monstrous dentist and save the candy man and his wondrous candy store.


Episode 27 - Players of the Lost Park

When Team Tennyson visits Raspberry Park for some R & R, they get more than they bargained for. What they think are innocent games of chance are a revenge plot by Zombozo to steal the Rustbuggy and rob Team Tennyson!


Episode 28 - De-Fanged!

Team Tennyson travels 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.


Episode 29 - Mock 10

Ben, Kevin and La Grange 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.


Episode 30 - Rekoil

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.


Episode 31 - Buktu The Future

After Tim Buktu's live stream is mysteriously cut short, Team Tennyson must attempt a rescue mission and break inside the highly confidential Area 55 in order to save him.


Episode 32 - Ben 10,010

In a future where an adult Gwen Tennyson is president and the world is being taken over by the alien horde known as the Xerge, a disillusioned Ben 10000 is called out of retirement to recruit his 10-year old version from the past - only together can the battle-worn adult and the impulsive child save a future under siege.


Episode 33 - Ben Gen 10

When Ben meets a young Generator Rex on the run from a hostile Providence, he must work through a series of misunderstandings, and defeat the dark wizard Hex in order to save the world from a malfunctioning Omnitrix infecting the world's human population with alien DNA.


Episode 34 - Alien X-Tinction

When the Tennysons are attacked by a villainous, dimension-hopping Omni-alien known only as Alien X, they soon meet a parallel universe version of Max who opens the door to hosting multiple Bens and Gwens, forming an alien hero army to combat this threat.


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