List of Ben 10: Ultimate Alien episodes: Difference between revisions

| ShortSummary = Ben needs to be in three places at once; he has to fight the Forever Knights with Kevin, go to Julie's tennis game, and see a Sumo Slammers movie. Using Echo Echo, he divides himself into three copies and transforms back into human form, creating three of himself. However, each is one part of his personality: one is logical, one is sensitive, and one is immature. The sensitive Ben goes with Kevin to the museum, the immature Ben stays to watch Julie's match, and the logical Ben goes to see Sumo Slammers. Immature Ben proceeds to embarrass Julie while sensitive Ben cannot properly fight. When the Forever Knights steal a suit of powered armor, Ben calls in his other selves for assistance, only to quickly realize that none of them are good fighters alone. He recombines into one person and destroys the armor. Ben tries to apologize to Julie, which she almost accepts, until he admits he already went to see the Sumo Slammers movie when she suggests they go see it. FuriousAngered withat Ben, Julie, storms off with Gwen, and Kevin stormright offbehind leaving himBen alone to repent for what he has done in order to gain back their trusts.

| ShortSummary = Ben's enemies are targeting his parents now that he's famous. Max, unable to deal with them alone, following a fight with Sevenseven has to enlist, Ben's aid. Vulkanus, Charmcaster, and Zombozo try to attack Ben's dad, but Ben, Gwen, and Kevin intercept them. Realizing that, as a team, Ben and his friends are too strong to beat, Zombozo decides to divide and conquer. He kidnaps Ben's mother and hides her in a carnival to lure the team out and separate them, but Ben and Kevin manage to beat Vulkanus and Charmcaster, respectively. Gwen is left to fight Zombozo, and briefly uses her Anodite form to scare him into leaving their families alone.

| ShortSummary = Ben saves actress Jennifer Nocturne from a group of thugs, and she is immediately smitten with him, much to Julie's ire. However, Ben's only interest is in Captain Nemesis, who shows up moments after Ben defeats the thugs. Nemesis was actually responsible for hiring the thugs, having hoped to boost publicity by rescuing Jennifer. He tries again by releasing a group of dangerous robots, led by Computron only to be upstaged by Ben. After Ben casually comments on having defeated more of the robots than Nemesis, Will Harangue twists his comments into doubts about Nemesis' abilities. Nemesis decides to hold a friendly test of skill between them, and Ben again comes out on top. Finally pushed to the edge, he captures Julie and Jennifer, daring Ben to try and save them. Ben rescues Julie while leaving Jennifer to Kevin and Gwen, then defeats Nemesis (now calling himself Overlord). Overlord is arrested, while Gwen is quick to discourage Jennifer from getting close to her most recent male rescuer. Will Harangue reports about Captain Nemesis' actions stating that a good man did bad things in order to stop "the menace that is Ben Tennyson."

| ShortSummary = With all five aliens in his possession, Aggregor tries to return home to absorb their powers. A Plumber ambush damages his ship, so he instead heads for Los Soledad, in order to use Prof. Paradox's time machine as an alternate power source. Despite Ben, Kevin, Gwen, and Grandpa Max's best efforts, Aggregor succeeds in absorbing the aliens' forms and powers, turning himself into an unstoppable amalgam of the five.

| ShortSummary = After "helping" Ben, Gwen, and Kevin stop the Forever Knights, Cash and JT start a TV show with Oliver (who was fired by Will Harangue after what happened in "Video Games") as their cameraman. Ben, Gwen, and Kevin play along for awhile. Upon tracking the Forever Knight, Ben, Gwen, and Kevin learn what the Power Decoupler is being used by the Forever Knights and attacks them with some interference from Cash and JT. Afterwards, Psyphon shows up to attack Cash and JT after seeing the broadcast of them taking the credit for given Ben his battle tactics. After Psyphon explains he tapped into Vilgax's power, he begins to defeat Ben. He is just about to defeat Ultimate Spidermonkey when Cash and JT fire the weapon the Forever Knights were charging, and it absorbs Psyphon's power. Ben light knocks him with his fist and Psyphon falls to the ground. Cash and JT are ecstatic, but find no-one saw them do it, and the weapon drained the camera's battery as well, leaving them with no recognition, and Cash shouting after Ben and the others. Olilver leaves telling the boys that the show is over.

| ShortSummary = Ben, Gwen, and Kevin travel to the center of a water planet, namely Pisces, (Ripjaws' home planet) in an attempt to find Aggregor. TheyFollowing an attack by an alien squid that damages the ship, they end up getting help from Magister Pyke, (one of Ripjaws' species). The planet has a 2% solid core, which holds an instrument that holds the planet's water together in a gravitational pull. Aggregor takes the instrument and reveals it to be a piece of The Map of Infinity. As the planet is pulling apart, Aggregor escapes with the piece of the Map of Infinity. Ben transforms into Goop and uses Goop's anti-gravitational UFO in an attempt to fix the centripetal force holding the planet together. Goop vanishes, and Kevin says he was atomized and spread throughout the ocean. The water then turns green, and Goop pulls the planet back together. With Pisces back to normal and their ship repaired, Ben, Gwen, and Kevin return to Earth.

| ShortSummary = Gwen accidentally takes herself, Ben, and Kevin to a mystical dimension called Zoraster (which is Hex and Charmcaster's home world) where their only hope of survival rests with Gwen's enemy, Charmcaster.

| ShortSummary = Professor Paradox informs Ben that he alone holds the key to stopping Aggregor from tapping into the unlimited powers of Alien X.