While on a camping trip in the wilderness, Ben, Gwen, and Kevin witness a spacecraft falling from the sky and crashing into a field, revealing a mysterious pod. Gwen touches the pod and causes it to open, revealing a beautiful, unclothed human girl. The girl, who calls herself Eunice, claims she has no memory of […]

On Galvan Mark II, Azmuth chastises Ben, Gwen, and Kevin for their failure to stop Aggregor from acquiring the completed Map of Infinity. Ben decides to turn into Alien X, his most powerful alien form possessing virtual omnipotence, in the hopes of stopping Aggregor; however, Ben is unable to convince Alien X’s split personalities to […]

Gwen is able to escape from Kevin and flees with Ben and Michael; Michael reveals that this was all according to his plan, and now that Kevin has had a taste of Gwen’s power, he will continue to seek her out. Kevin arrives at Gwen’s house, but is confronted by Grandpa Max, whom he easily […]

During a battle, Ben transforms into Ultimate Humungousaur and suddenly declares that he is not Ben, attacking Gwen and Kevin. The two subdue him and consult a psychologist about his behavior, who deduces that he is suffering from some kind of split personality disorder. Ben screams and vanishes in a flash of light, leaving only […]

Ben discovers the existence of a live show called Ben 10 Live in which the real Ben Tennyson supposedly appears in on-stage performances. Ben, Gwen, and Kevin travel to a Ben 10 Live show at Nemesis Tower, where they witness a seemingly identical version of Ben transforming into lifelike aliens. Ben and Gwen are outraged […]

Ben transforms into Ultimate Way Big and attacks Dagon, but is defeated and nearly killed by Dagon’s nigh-omnipotent power. Subsequently, Dagon electrocutes and disintegrates George with lightning, declaring himself victorious over his greatest foe. Vilgax suddenly appears and taunts Dagon into firing a laser at him, which Psyphon absorbs into the machine that Vilgax used […]

Ben Tennyson’s secret identity is exposed to the world by an online video, ending his secretive life of heroism. Public opinion on Ben is polarized; he is idolized as a superhero by kids and teens, but distrusted by adults, particularly news anchor Will Harangue, who deems Ben a menace. Ben, Gwen, and Kevin decide to […]

Ben takes Julie to the airport so she can fly to a tennis tournament, but leaves prematurely in order to defeat Ssserpent, resulting in another argument between the two of them. Ben is captured by Ssserpent, but Julie suddenly appears and rescues him, revealing that she chose not to go to the tournament and instead […]

Ben wakes up in the middle of the night and is attacked by a jellyfish-like alien. After destroying it, he finds his parents and everyone in the neighborhood missing; he is then attacked by a DNAlien, but defeats it. Ben seeks out Kevin and Gwen, but they are also missing. Eventually, Ben encounters Vilgax, who […]

After a battle against the robots from Dimension 12, Ben, Gwen, and Kevin return to Gwen’s house only to encounter Sunny, Gwen’s frivolous and obnoxious cousin whom she used to play with as a child. Gwen’s mother Natalie says that Sunny is staying with them for the summer and orders Gwen to supervise her. The […]

At the beginning of the episode, Kevin attacks and steals the powers of the half-human Alan Albright, but is driven off by Ben before he can kill him. Alan reveals that Kevin has already stolen the powers of all of the Plumbers’ Helpers as well as Ben’s old foe Dr. Viktor. Ben, convinced that he […]

Ben and the team continue to fight Vilgax, but he damages the seal enough for Dagon to send out an energy wave that converts everyone on Earth – apart from the shielded Ben, Gwen, Kevin, and George, as well as Julie and Ship – into mind-controlled Esoterica slaves. As Gwen and Kevin rush off to […]

Believing that Aggregor has killed the Andromeda aliens, Ben attacks him viciously, only to learn that Aggregor’s new form makes him virtually invulnerable. After Aggregor leaves Earth, Ben and his team are brought to Galvan Prime by Azmuth, who explains that Aggregor’s goal is to acquire the Map of Infinity – a complete map of […]

While Ben and Gwen argue over how to deal with an increasingly deranged Kevin, they suddenly run into Argit, who claims that Kevin is trying to kill him. Argit asks them to place him into the custody of the Plumbers at the Plumbers’ Academy. At the academy, Argit encounters the Vreedle Brothers, who are training […]

A group of Plumbers ambush Aggregor in an attempt to rescue the Andromeda aliens, but are overwhelmingly defeated. The team then learns from Colonel Rozum that Aggregor has taken the aliens to Los Soledad; Professor Paradox then appears and reveals that Aggregor is using Paradox’s technology to facilitate the total absorption of the aliens. Ben […]

Ben, Gwen, and Kevin are summoned to the aquatic planet Piscciss (Ripjaws’s homeworld) by Magister Pyke, a Plumber who reports that Aggregor has been sighted near the planet’s solid core. Ben and the team pursue Aggregor and reach the planet’s center, learning that the second piece of the Map of Infinity is disguised as a […]

Ben is attacked by a succession of powerful Techadon robots which seem bent on his demise. Kevin eventually discovers that the Techadons are a custom job ordered from the elusive weapon masters of Techadon; they will continue to replicate and grow stronger until Ben is killed. Gwen, deducing that Vulkanus was the individual responsible for […]

In an alternate future, a different version of Ben 10,000 defeats Eon and seemingly destroys him using Clockwork’s powers. However, Professor Paradox appears and reveals that Eon was merely sent back in time twenty years. In the present day, Ben, Gwen, and Kevin arrive at a museum to investigate a signal that the Ultimatrix received. […]

Ben learns from Grandpa Max that the exposure of Ben’s identity has caused various old enemies of his to crawl out of the woodwork, seeking revenge by targeting Ben’s loved ones. Ben, Gwen, and Kevin trail Ben’s father Carl, intercepting a team of villains consisting of Charmcaster, Vulkanus, and Zombozo the clown. The team succeeds […]

Jimmy Jones sees a meteor crashing into a cave and investigates, where he is attacked by a plant-like alien monster. Jimmy tells Ben and his team about the alien, but only Ben believes him, and agrees to investigate. Ben enters the cave, but comes out saying that he found nothing inside. Uncertain, Jimmy later returns […]

Vampire Summer movie star Jennifer Nocturne is attacked by mercenaries, but rescued in a joint effort by Ben and Carl Nesmith, a.k.a. Captain Nemesis, a real-life superhero and billionaire whom Ben idolizes. Jennifer is infatuated with Ben and kisses him, to Nesmith’s jealousy. Subsequently, Ben and Jennifer become friends, much to the jealousy of Julie. […]

Eunice travels to the planet Aranhaschimmia to investigate a disturbance in the Codon Stream, discovering that the planet has become infested with DNAliens. On Earth, Ben, Gwen, and Kevin are greeted by Simian, who informs them that he accidentally unleashed the DNAliens on Aranhaschimmia while attempting to sell them to a crime lord named Mizaru. […]

Gwen has been repeatedly sneaking into Hex’s library seeking a means of returning to Ledgerdomain to rescue Charmcaster. Hex confronts Gwen, but after hearing what Charmcaster did, he becomes despondent and believes Charmcaster is already dead. Gwen discovers that Ledgerdomain’s true name is constantly changing, but develops an algorithm to deduce it and is able […]

Techadon weapon master Inspector 13 kidnaps Ben in order to investigate the failure of the Techadon robots to kill Ben in “Greetings from Techadon.” Gwen and Kevin attempt to rescue him, but a malfunction in the Ultimatrix causes them to turn into Ben’s alien forms. As Ben is captured in the Techadon factory, Gwen and […]

Ben is visited in the middle of the night by Victor Validus, who uses alien microchips to attack him. Ben is able to drive him off, and acquires one of the microchips in the process. He consults Gwen and Kevin, who insist that Validus was cured a long time ago after Ben destroyed the queen […]

Michael Morningstar steals a spell from Gwen’s spellbook and summons the Door to Anywhere, transporting himself to Ledgerdomain, where he encounters Charmcaster. Charmcaster becomes infatuated with him, while Michael discovers that he has limitless power when in her presence. Over subjective weeks, Charmcaster falls in love with Michael and ultimately reveals her true name to […]

Ben, Gwen, and Kevin are summoned to the Plumbers’ Academy to complete their basic training for Plumber duty, as they originally received their deputy Plumber titles on the field. At the academy, they befriend an alien named Tack, while Ben comes at odds with their instructor, a strict yet decorated Plumber named Magister Hulka. As […]

Ben, Gwen, and Kevin are attacked by a group of Esoterica at Kevin’s garage, but defeat them. Determining that George has had enough time to stop Dagon, the trio investigates the headquarters of the Flame Keeper’s Circle, finding that they have all left to free Dagon from the seal. At the location of the seal, […]

Following the events of the previous episode, Azmuth contacts Ben’s team and teleports them to the location of the final piece of the Map of Infinity: a huge, cube-shaped structure known as the Perplexahedron, located in another galaxy. The team pursues Aggregor to the interior of the Perplexahedron, discovering that it is an enormous, shifting […]

At a meeting of Forever Knight leaders of different factions, the old man from “The Creature From Beyond” reveals himself as George, the First Knight, and the founder of their order. The Forever Knight factions swear allegiance to George, with Driscoll serving as his right-hand man. George orders a purge of all aliens on Earth, […]

Ben is attacked in the dead of night by Ra’ad, the last of the Andromeda aliens, but Ben defeats him. Captured in the abandoned military base at Los Soledad, Ra’ad reveals that Aggregor recaptured the other four aliens and blames Ben for it. Ra’ad asserts that the Ultimatrix led Aggregor to the other aliens, and […]

Ben, Gwen, and Kevin pursue Aggregor to a mystic doorway known as the Door to Anywhere, through which Aggregor escapes to an unknown realm. Believing she knows somebody who can help them follow Aggregor, Gwen finds Charmcaster, whom she convinces to aid them after revealing that the dimension Aggregor went to was virtually made of […]