Ben sets out on an adventurous mission to unravel the secrets of the alien city. Together, they encounter a mysterious hunter, hired by a psychotic mutant and a mad scientist who seeks revenge on Ben.
Five years ago, Ben Tennyson faces off with a new enemy, a red Galvanic Mechamorph, Malware. Five years later, Kevin and Gwen leave when Gwen takes early enrollment in an Ivy League college, and Kevin moves to be near her.
After stopping Bubble Helmet, Fistina, and Liam from blowing up Mr. Baumann's superstore, Ben and Rook discover an underground alien city named Undertown where they discover that Psyphon is behind the protection racket. At the same time, Khyber sends his pet in the form of Buglizard to hunt Ben.
The Megawhatts that Ben fought in his youth come back. This time, they need Ben's help when they are being used as a power source for the villain Fistrick and his gang.
Ben meets an alien con artist named Professor Blarney T. Hokestar whose miracle elixir is extracted from a small alien called a Screegit that is kept in his lab. When a Florauna activist named Pax convinces Ben to help him free the small alien from Hokestar's lab, chaos ensues when the nitrogen in Earth's atmosphere turns the exposed Screegit into a giant, acid-spitting monster with Ben having to keep it from wrecking the city.
Dr. Animo has escaped his Plumber prison, and Ben and Rook must track him down before he transforms the world into his personal mutant ant farm.
Argit and the Vreedle Brothers are fighting for possession of a doomsday device. Ben uses the almighty Alien X's godly abilities to fully recreate the universe.
Ben and Rook come across elastic, hot-blooded aliens that plan to activate a volcano with a nuclear bomb engine. Ben later falls for a female alien named Esther.
Back in the present after a heated argument, Ben and Rook go their separate ways giving Khyber his best chance to capture Ben. After a long battle, Ben is forcibly changed back into his human form and supposedly falls unconscious. A victorious Khyber intends to take Ben to his employer.
While Ben is trapped in Khyber's ship, Khyber tells Ben that he needs different alien DNA to complete the evil incomplete version of the Omnitrix the Nemetrix he also reveals that Dr. Psychobos assigned him to hunt down various species for DNA to transfer it to the Nemetrix and also tells Ben that the reason Dr. Psychobos is creating an evil Omnitrix is because of the orders from Malware. After Ben breaks free, a brawl breaks out leaving Khyber the victor. Just when it seems Ben is finished, Rook breaks in and saves Ben the duo then reveals to Khyber that they orchestrated the whole "fight" at Undertown and Ben only let Khyber capture him so he can lead them to his ship. After a long fight Ben and Rook accidentally crash Khyber's ship eliminating the DNA to complete the Nemetrix, Khyber and his Dog emerge unharmed as Malware and Dr. Psychobos arrive.
While Khyber struggles to control his dog's transformations, Dr. Psychobos tells Malware that he will need a part of the Omnitrix to fix it. This causes Dr. Psychobos to infiltrate the Plumber's base on Earth and steal a part from Ben's Omnitrix causing it to malfunction. The malfunctioning of the Omnitrix causes its powers to leak into Psyphon, Bubble Helmet, Fistina, and Liam giving them abilities very similar to the Omnitrix aliens.
Gwen and Kevin pay Ben a surprise visit; a Tetramand princess and her father's fleet of warships threaten the Earth.
Ben and Rook must stop Trumbipulor from gaining absolute power (which turned out to be peanuts since they can increase the size of Trumbipulor's kind). Yet the main plot occurs when Blukic and Driba set out to find a Mr. Smoothy's after seeing an advertisement for their new grasshopper smoothies and have many misadventures along the way with one of them tying into fighting Trumbipulor's robotic rats.
Ben and Rook are attacked by Khyber and his dog (which can now transform at will without Khyber's whistling) at the Old Bellwood Days Festival. In a flashback, it is also revealed how Malware had obtained his current mutated Galvanic Mechamorph form.
An old rival of Ben Tennyson named Billy Billions turns Ben and Rook into kids again while bringing Dimension 12 robots to Earth and controlling them.
Ben and Rook visit Rook's family on Revonnah during the Amber Ogia harvest. Meanwhile, Fistrick trains the planet's local rodents called the Muroids to steal the Amber Ogia as fuel for the planet-destroying satellite in his possession.
Eon returns and switches Ben's mind with his younger self as part of a plot to take over the timelines. It's up to Paradox, and the two Gwens from the past and present, to help the Bens' regain their rightful minds and help to defeat Eon.
Following Ben helping Grandpa Max defeat Liam, Ben takes Blukic and Driba to look for the 23rd Mr. Smoothy restaurant. After, Ben, Blukic, and Driba enter the 23rd Mr. Smoothy restaurant that keeps disappearing, they find it run by Professor Blarney T. Hokestar who is using a dimensional device to move the restaurant to different dimensions. In one dimension, Ben meets an alternate version of himself who is very rich, names his aliens differently and has lost his beloved Grandpa Max.
After Ben accidentally destroyed Mr. Baumann's car during his fight with Psyphon's minion, Thunderpig, Mr. Baumann orders Ben to make deliveries for him without using the Omnitrix. When Ben unknowingly gets the Dwarf Star (a massive power source that was going to be sold at Psyphon's auction) in his possession, Ben must fight off Pysphon, Fistina, Zombozo, Trumbipular, the Vreedle Brothers, Fistrick, Vulkanus, Sunder, and Seebik to keep them from getting absolute power.
Ben tells the secret of Feedback: When Ben was eleven years younger, he liked Feedback so much that Azmuth, Max, and Gwen warned him not to over use it. He had a fight with Malware and he took him out from the Omnitrix and killed him. Angered, Ben puts his Omnitrix into Malware and he seemingly perished from the overload. Back in the present, Khyber takes the Nemetrix from Zed and mysteriously escapes. The group arrests Dr. Psychobos, who warns Azmuth that the planet and his species are about to become extinct. Galvan Prime's moon, Galvan B explodes with everyone shocked and surprised.
Galvan Prime's mechamorph ecosystem is engulfed by Malware and Galvan Prime is destroyed. A gigantic Malware then accumulates on the surface of Galvan. Humungousaur and Way Big fight Malware but are defeated. Ben is absorbed into Malware and confronts his eleven-year-old counterpart.They both forgive each other for the incident with Malware and sixteen-year-old Ben regains Feedback. There is a shower of mechamorphs leading to Malware becoming its original size. Malware is finally defeated and destroyed by Feedback with the intense electrical power from the repaired double helix.
The Gourmand Queen is captured by Incurseans, forcing Ben and Rook to rally her feuding subjects to save her.
Ben and Rook escort Vilgax to a maximum-security prison planet, but the Incurseans have other plans.
Incurseans take control of Earth, so Rook and the Plumbers must stop them, while Ben is somehow missing.
Princess Looma attacks Ester's village, forcing Ben, Rook, Fistina and Julie (after capturing Fistina) to stop her; In the meantime, Ben is shocked as Julie has gotten a new boyfriend.
With Plumber agents trapped in Incursean territory, Ben and Rook must employ the services of Rad Dudesman, the roughest, toughest smuggler in the galaxy.
Dr. Animo remembers the time he had taken control of the Plumbers Headquarters inside Mount Rushmore with bugs that easily hack computer codes, planning to mutate everyone on Earth into grotesque, monstrous creatures resembling him.
The Secret Saturdays come to Bellwood to investigate a rash of chupacabra attacks. Ben and Rook assist, finding the chupacabras have been draining aliens of their lifeforce. They soon discover that the chupacabras are being controlled by Dr. Animo, who is an old business associate of V.V. Argost. Using the alien lifeforce, Animo successfully revives Argost in a mis-matched hybrid body. Now Ben, Rook, and the Saturdays must work together to turn the tables on the alliance of Dr. Animo and V.V. Argost when they plan to make an army of "Franken-Cryptids."
Ben as Gravattack attempts to moderate a fragile peace treaty, but must endure the attacks of tiny alien fleas, which have inhabited his body. Rook shrinks down in attempt to get the fleas off him before the peace treaty is ruined. But it turns out that the Lewodon named Poltroon, sent the fleas onto Gravattack to destroy his core, causing a meltdown in attempt to destroy both the Lewodons and the Appoplexians, therefore causing a war between the 2 species and taking power to destroy his enemies. Now Rook must find a way to change Ben back before they are destroyed and to stop Poltroon.
Octagon and Rhomboid Vreedle once more blow themselves up. After reviving again, they decide to prove themselves to Ma Vreedle by pulling off successful crimes; to ensure success in numbers, they take a Pretty Boy Vreedle to assist them under the belief that Ma won't notice one out of the several others missing. When Ma does discover this (but not that her dumbest sons were responsible), she threatens to blow up the sun if the Plumbers don't find Pretty Boy. Meanwhile Ben tries to hide from his mom so he won't get seconds on the dinner that he hates.
The Forever Knights are back, despite the death of Old George. Led by the new Forever King, Dr. Joseph Chadwick, the group plans to erase all alien DNA on Earth. Jimmy Jones discovers that Will Harangue, whose popularity has nosedived following "The Frogs of War", is helping the Forever Knights. After the Forever Knights are taken care of, Ben might have a fitting punishment in mind for the Harangue.
While Rook and Kevin are at an auto show, Ben, Gwen, and Cousin Lucy (who is the first of her kind to become a Plumber) try to find out how Psyphon's thugs are getting Level 7 Plumber technology. Gwen suspects that Lucy is the mole because of her shapeshifting abilities as a Sludgepuppy, and her love of tricks when she was younger, but it turns out that it is an old enemy: Gorvan.
While attending an intergalactic auto show on Khoros, Kevin, Rook and Argit run into OTTO, an old enemy of Kevin and Argit that stranded them alone in the Null Void. But OTTO and Violent Offenders end up steal some of the most expensive cars, and OTTO turns into a giant robot, leaving Ben having to stop him.
Albedo (who is disguised as Ben) seeks a device that will finally change him back into his Galvan form. Meanwhile, Ben (who has been disguised as Albedo by Khyber) is locked in Plumber HQ prison. It reveals Khyber has disguised Ben and Albedo as each other for their plan to work. Meanwhile Argit claims to be the hero of Undertown after stopping the Waybads in The Frogs of War.
After Ben falls for Albedo's trap, Grandpa Max and Rook search all over the galaxy looking for Ben. Meanwhile he's been secretly trapped on Khyber's hidden personal hunting preserve fighting Khyber's new pet that now wears the Nemetrix. But as Ben finds a way out, he has to deal with Albedo. When Grandpa Max and Rook arrive, they find that Albedo and Khyber have Azmuth as their captive.
Albedo took out Azmuth's brain through his cerebral vortex. With assistance from Gwen and Kevin, Ben, Rook, Max and Azmuth (whose supreme intelligence has been diminished) and the Plumbers must find a way off Khyber's Place, to get back to Earth and stop Albedo and Khyber from taking over the galaxy by absorbing Azmuth's brain sphere.
Ben, Rook, and Grandpa Max have their hands full when Phil returns as a half-human half-Terroranchula creature as a side-effect of using the Nemetrix 5 years ago, and starts absorbing all of the electricity and lightning in Bellwood. But when he heads into Undertown's mini power-plant and starts to absorb the Megawatts, they must find a way to stop him. Ben is also suffering terrible luck with his transformations, turning into electric aliens that actually feed Phil's mutated form.
After two uneventful weeks, Ben is edgey and desperately hoping for something wrong to happen. He and Rook investigate a circus, which Ben decides to stay out of while Rook enjoys the show; however, he comes out looking like a clown, repeating "Come one, come all." Ben gets him to Plumber HQ, suspecting that Zombozo is up to his old tricks; however, Zombozo has escaped his cell and the number of zombie clowns is growing. Now Ben must try to overcome his fear of clowns so that he can save the people of Bellwood.
After Gwen as Lucky Girl beats Punchinello, Ben and Rook visit her and Kevin at college, but Darkstar (disguised as a student: Dante) gets revenge by using Charmcaster's rock monsters, and creates a cult in order to use Gwen to open up a portal to Ledgerdomain to absorb all the mana to become even powerful. Meanwhile Ben has some problems with the Omnitrix when it only wants to give him Ghostfreak.
Bill Gacks, an (actual) human plumber who resembles Vilgax (due to his beard), accidentally activates a weapon Vilgax set to attack Bellwood while fixing Pakmar's plumbing in Undertown. When Psyphon returns, he believes Bill is Vilgax, and, elated that his master has returned, pledges to help him in any way to destroy Bellwood. Meanwhile Ben and Rook try to stop Vilgax's squid monsters that the weapon accidentally released.
Ben's childhood crush, Kai Green, asks Ben and Rook for help when her grandfather is kidnapped by the Forever Knights who are after a mysterious sword all the way in London hidden in a secret room under the river. Could what the knights seek be King Arthur's mythical blade, Excalibur?
Dr. Animo from the Future return to go to the present to break Dr. Animo out of prison, and to steal something from the SACT so that they can populate and rule the Earth with Mutant Animals, and in order for Ben and Rook to stop him, they get assistance off someone from the future currently known as Chrono-Spanner.
As Ben, Rook, Rad, and Hobble fly through the Anur System to deliver something before they end up crashing into Anur Transyl, needing a device to power-up their engine. But as they walk through the planet, due to Anur Transyl being all but closed to the rest of the universe, the Halloweenish residents see Ben and his group as the monsters. But besides the angry mob and his friends being abducted by a Thep Khufan named Kupuhulu, Ben learns that Zs'Skayr (Ghostfreak's real name) has orchestrated the delivery to bring himself and the mentally restored Dr. Viktor back to their home system with revenge as an added bonus. Though his team got the upper hand, Ben ends up breaking the replacement device with them now stranded on Anur Transyl.
Still stranded on Anur Transyl, Ben suffers from a serious zit problem that grows worse with each time he uses the Omnitrix. At the same time, Charmcaster proposes an alliance to defeat Zs'Skayr, since he stole the Alpha Rune from her. Also, a female Trasylian alien named Viktoria develops a crush on Ben, due to his terrible acne.
Zs'Skayr and his allies awaken the great evil Lord Transyl, where he asks to make an alliance to rule the universe, but just as they team up, they manage to hypnotize everyone on Anur Transyl, and Ben's team. Now with Ben's newest alien Whampire, Ben and Hobble (the remaining people left) must discover a way to defeat Lord Transyl, save everyone, and must fix their ship in order to get back to Earth.
As Ben and Rook go on a double date with Ester (the Kraaho) and Rayona (Rook's girlfriend back home), they encounter Nyancy Chan, who places Ben (as Rath) under her trance and uses him in a crime spree. Meanwhile Princesses Looma and Attea are at odds about who will get to legally marry Ben's alien forms: Four Arms and Bullfrag.
Ben meets the ones responsible for his intergalactic TV show (mentioned back in "Bros in Space"), and the crew who makes this Ben 10 actor more famous than Ben himself, with Ben frustrated with this show on the air and taking his fame, Simian ends up hiring an alien collector known as Collectimus who turns things into training cards for his collection. He ends up taking Simian into his deck and in order to save the actor, and the Earth, Ben and Rook must take him down.
Eon and Vilgax team up and bring together a team of evil-parallel Bens, (consisting of Albedo, the black haired "Bad Ben", the Australian-accented warlord Mad-Ben, the deformed Benzarro and the uncaring Nega-Ben) who go after a Ben who never got his Omnitrix from that summer vacation six years ago (No Watch Ben), thus considering him a 'wild card' and decide to end him so he won't soon be a threat. Professor Paradox helps Ben Prime (the Ben that the program focuses on) to find a team of good Bens (consisting of the rich, famous Ben 23, a 10-year-old "Gwen 10" and Ben Prime's future self, Ben 10,000) to fight back and save No Watch Ben. Things take a turn for the worse when Vilgax uses a Chronosapien time bomb to wipe out Ben in every other dimension apart from No Watch Ben. Before disappearing, Ben Prime gives his Omnitrix to No Watch Ben. Paradox brings the only Ben to survive, No Watch Ben, and tells him his only hope is to back to the beginning and reboot the Ben Prime timeline.
No Watch Ben and Professor Paradox return to the point where the Ben 10 Multiverse began: when Ben Prime first acquired the prototype Omnitrix six years ago. From there the two start to go through the parallel worlds to unite the good Bens (Ben 10,000, Ben 23, Gwen 10 and Ben Prime) to fight Vilgax and the evil Bens: Eon, Albedo, Bad Ben, Benzarro, Mad Ben, and Nega Ben. After the team is put together, Paradox sends the other Tennysons who had their Omnitrices(or Biomnitrix for Ben 10,000) to fight (creating the events of the previous episode) and keeps No Watch Ben in the Event horizon. After Vilgax destroys the multiverse, No Watch Ben returns to fight him moments after his rescue and turns into Clockwork to undo the multiverse wipeout. Clockwork sends the Evil Bens back to their respective timelines, then returns the Omnitrix to Ben Prime, and the Good Bens and Gwen take turns beating Vilgax. After their combined win, No Watch Ben's Grandpa Max reveals his Plumber status to No Watch Ben and they have a talk. Ben Prime wonders about the various incarnations across time and space, and returns home to his own time.
Billy Billions seeks the help of Mazuma, Will Harangue, Kangaroo Kommando, and Captain Nemesis to form a team (AKA: The Vengers) to take down Ben, make him look bad in front of all of Bellwood, and claim the title as the protectors of Bellwood. As the Vengers 'rescue' people before Ben and in better fashion, while Harangue edits footage to make them look good. With Ben annoyed at no longer seeking help or getting respect for helping, he "quits" being a superhero. It turns out that while they try to keep up their "heroics", without Ben they keep trying to one-up the other for the spotlight. As The Vengers fight over who gets the most fame, Ben and Rook plan to take them down as the villains continuously attack each other. After realizing they're better as a team of villains, they fight Ben and Rook on live TV where everyone sees them for who they really are. They lose and flee, with local authorities in pursuit.
With Spanner's unexpected return, Ben and Rook think Jimmy Jones is Spanner because they never appear at the same time. Meanwhile Argit holds a weapon that can create Techadons at an unlimited rate with the use of water, and Psyphon and his Bounty Hunters are after the weapon, but when Argit swallows it, they have to tell Argit to "cough it up" or he won't stop puking up armies of Techadons nonstop.
Meet the Rooters, the Black Ops wing of the Plumbers from the Null Void. They're hybrid aliens, with unique abilities and when they head to the Plumbers' Base, they're looking for Kevin for his property-absorbing powers. Ben sneaks out to get Kevin, who claims to not know the Rooters, but after a run in with them Kevin bumps heads with their leader, Proctor Servantis, he begins to recollect hidden memories. By the time they reach Plumber HQ Kevin remembers that he, Helen Wheels, Pierce Wheels, Manny Armstrong and Alan Albright used to be Rooters and Kevin was responsible for their powers, as well as the other Rooters. He also discovers that Max never had a partner named Devin Levin and the Plumbers Helpers are not Plumbers children. After a fight with the Rooters, Kevin sneaks away to Argit Enterprises to reveal to Argit their hidden past.
An old friend of Blukic and Driba's asks to get back a super powerful weapon needed to stop an old villain of Blukic and Driba and Max's, who's attacking Area 51. But with the weapon hidden back in Area 51, Ben and the team must go retrieve it before this strange old/new threat can retrieve the weapon.
Rook is under the influence of Fistrick's "bro" essence, and starts to act like a bro. He and Ben infiltrate an alien fight club to claim the Golden Fist.
Ben gets dragged into intergalactic court by the other Celestialsapiens for recreating the whole universe and all of existence previously in "So Long and Thanks for All the Smoothies!" In the end, the court rules in Ben's favor that Alien X was not controlled by Ben but by Belicius and Serena.
Kevin and Argit attempt to warn the amalgam kids about the Rooters' intentions before they can hunt them. Kevin gathers Alan, and Gwen, Ben, and Rook gather Helen and Manny. The Amalgam kids learn they aren't plumber hybrids, and Kevin goes out into the Null Void alone to put an end to the Rooters, but when Ben and the gang bring the Amalgam Kids, it turns them against Ben, and later Proctor (head of the Rooters) ends up persuading Kevin into joining his side to take down Ben.
After the Rooters have turned Kevin and the amalgam kids against Ben, they attend to hunt after him while Ben, Gwen, Rook, Argit, and Zed try to escape the Null Void.
Master Kundo, Rook's former teacher is willing to save Revonnahgander traditions at any cost by preventing Rook's sister, Rook Sharr from going to the Plumber Academy so she wouldn't be able to become a Plumber.
Charmcaster attacks Gwen at Friedkin University, wanting to obtain Hex's mystical Staff of Ages through any means necessary, while Kevin and Rook try to make Kevin's car completely indestructible so that nothing can destroy it.
After Mr. Baumann, the grouchy storekeeper, realizes from Ben that his temper comes from being lonely he starts soul-searching. Eventually he stumbles across a secret not from this earth.
When Ester invites Ben (who brings along Rook to her dismay) to a museum exhibit displaying alien artifacts, they encounter Ben's former crush Kai. When Ester discovers their relationship she immediately becomes jealous of her. The four of them are forced to team up, however, when a priceless exhibit that Kai put on display is stolen. Chrono Spanner also reappears again, this time trying to convince Ben that he's "destined" to marry Kai, to Ester's chagrin. Spanner's identity can be deduced from this episode.
Fistrick orchestrates a series of robberies while wearing ID masks programmed to make him and his compatriots to resemble Ben. When the real Ben discovers what's going on he decides to go undercover with Rook's help and investigate Fistrick's workout gym to find out what's going on. As this is all happening, Ben is struggling with his obsessive cravings for chili fries and meatball subs.
With the help of the con-artist Simian, Argit starts a secure transport firm called "Argistix Securities" employing a group of Techadons as workers. Ben immediately becomes suspicious of Argit's business, considering the latter's history.
Pa Vreedle reunites with Ma for all-out, total cosmic destruction! Meanwhile, Rhomboid and Octagon try to impress Ma and Pa Vreedle like Isosceles and Parallelogram Vreedle always does.
A dangerous Chronosapien named Maltruant attempts to obtain total control over the space-time continuum with the help of an old relic called the Key to Time; Ben 23 is sent by the Azmuth of his dimension to Ben Prime's dimension in order for the latter to act as a "mentor" to the former.
With the help of Dr. Psychobos, Ben 23 and Ben Prime successfully stage a breakout and a revolution in Mad Ben's labor camp.
This episode is a flashback to Ben and Gwen's younger days when they were eleven. Zs'Skayr returns with a plan to have his fellow Ectonurites to possess the inhabitants of Bellwood to develop a device to permanently block out the sunlight on Earth so he can colonize the planet with more Ectonurites.
Khyber teams up with a Slimebiote, a DNA-eating parasite, named Skurd so he can safely use the Nemetrix (which he stole from the plumber base earlier) to eliminate Ben. The plan backfires when Skurd discovers the vast amount of DNA he can consume from the Omnitrix and decides to latch onto it, to both Khyber and Ben's dismay. As Khyber goes mad from extended use of the Nemetrix, Skurd's merge with Ben allows for recombination of aliens mid-fight to give a combative edge, giving Rook time to remove the Nemetrix with very minimal damage to Khyber.
Exo-Skull, Subdora and Eon attack a hidden underground cavern to retrieve a rare egg of a Time Beast. Professor Paradox and Ben 10,000 teams up with Ben and Rook to stop the Time Beast. Rook, Ben and Skurd go after the Time Beast while Ben 10,000 and Professor Paradox fight Exo-Skull and Subdora. However, a series of mistakes lead the five of them to constantly travel through time to correct their actions. Eventually the time beast is captured, but at the end of the episode, Eon delivers two Time Beast eggs to Maltruant.
During Kai's search for the Temple of the Sky, she reluctantly teams up with Ben, Skurd, and Rook at the insistence of Kai's grandfather. As they search, Ben teases Kai about Spanner telling them they are married in the future, and as he shows her more clues they show more attraction, despite Kai denying Spanner's prediction. Upon reaching the temple and finding the relic inside, the guardian of the temple is an eons old Galvan tasked with protecting a dangerous component of Maltruant by Professor Paradox. Maltruant still succeeds in gaining the second of his three lost component.
Charmcaster traps Gwen in Ledgerdomain to exact her revenge once and for all, turning her into a stone totem. When she attempts to take over Gwen's headquarters at Friedkin University, Ben, Kevin and Rook fight back with the aid of the great sorcerer Bezel. Charmcaster is eventually defeated and turned into a totem herself, trapped in her own bag, which restores Gwen, Hex, Adwaita, and Darkstar to normal. Darkstar is arrested, Adwaita escapes, and Charmcaster is kept in Hex and Gwen's custody under the hope that she will see the error of her ways someday.
While Rook is stuck on graveyard shift at Plumber HQ, his sensei Kundo returns as a cyborg to purge the galaxy of technological influence. Ben and Max take a massive Plumber squadron to stop Yeta, a female Shocksquach alien, from continuing her criminal destruction. They later find HQ on lockdown because of Kundo and try to break into the base to give Rook back up. Fistina, the only prisoner, is deputized by Rook so as to help defeat Kundo. Following Kundo's defeat, Rook is effectively promoted to Magister and Fistina is allowed to go to the academy following her time served.
Ben finally manages to rid himself of Skurd... just when he needs the Slimebiote most. Vilgax and Albedo team up to steal Malware's calcified husk to convert into a war armor for Vilgax to defeat Ben. As Ben fights Vilgax, he realizes how much he needs Skurd to help him, while Azmuth and the Galvans (Luhley, Blukic and Driba) fight Albedo. Azmuth uses a device he made years ago which disables Albedo's Ultimatrix and frees Skurd, in time to merge with Ben and defeat Vilgax. Ben thanks Skurd for his rescue, while Luhley decides to go on a date with Driba, while having her cousin date Blukic. In space, Vilgax's stone form oozes out what appears to be a reconstituted Malware.
Ben is being forced to be in an alien reality show called the Most Delicious Show and he watches as all the girls he'd met in his life to win the reality show's games to be the new Mrs. Tennyson. Soon, Kai Green wins the reality show, with Ester later revealing that she found another boyfriend-Sunny's old sweetheart Antonio.
In an alternate future timeline, Ben 10,000 and Kai Green (at this point in time, Kai Tennyson) are at Plumbers' Headquarters having a party for Grandpa Max because he is retiring from the Plumbers and Rook is being promoted to be in charge of the Plumbers until Maltruant, Exo-Skull and Subdora secretly attacks Plumbers' Headquarters to get the Annihilaarg and the Dwarf Star for Maltruant to become stronger. Ben 10,000 and Kai Tennyson both discover that their ally Chrono Spanner is actually their own ten-year-old son, Kenneth, or Ken Tennyson. Note: Alternate future Gwendolyn is in possession of all five Charms of Bezel; except the Keystone of Bezel.
Ben and Rook follow Maltruant through the time stream. Ben has an adventure with George Washington, in 1773, fighting Maltruant and Vilgax. After defeating Vilgax, Ben and Rook chase Maltruant in the time stream to the beginning of time itself onto the starship of the Contemelia (the creators of the Annihilaarg) where Maltruant attempts to create a universe of his own using his own Anihilaarg. In a climactic battle, at the beginning of time Ben nearly dies trying to stop Maltruant from building his own universe but then it is revealed that the Omnitrix has a fail-safe to prevent its keeper from dying.
Kindly check as mainly links are not working, Some of them episodes are 2, 3, 7, 11, 13, 14, 15, 16, 17, 18, 19, 20, 80 which are not working. Kindly reupload.