Season 3
20 episodes · Sep 11, 2009
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S3E1Vengeance of Vilgax (1)
Sep 11, 200923mVilgax, after conquering 10 planets, comes to Earth to destroy Ben.
S3E2Vengeance of Vilgax (2)
Sep 11, 200923mBen, Gwen and Kevin race to collect the Omnitrix's missing forms and make it to the battle with Vilgax on time. Meanwhile, Kevin discovers that his new transformation has some benefits.
S3E3Inferno
Sep 18, 200923mBen, Gwen and Kevin discover that Vulkanus is planning to drill the center of the Earth and drop a bomb into the hole. Destroying the planet.
S3E4Fool's Gold
Sep 25, 200923mA species of goat-like aliens comes to Earth for a popcorn festival. Ben, Gwen, and Kevin have a big problem when one of the aliens eats meat and turns into a monster.
S3E5Simple
Oct 9, 200923mAn alien named Probity seeks help from Ben to stop the on-going war on her home planet.
S3E6Vreedle, Vreedle
Oct 16, 200923mShip's owner decides he wants him back and hires some repo men to retrieve him. Ben and Kevin go to court to take care of things legally, leaving Gwen and Julie to face the repo men.
S3E8If All Else Fails
Nov 6, 200923mA series of earthquakes awakens a HighBreed officer who has been hibernating deep under the earth’s surface. He believes the HighBreed have lost the war and activates a fail safe device that is programmed to destroy. Ben must now work together with Gwen and Kevin not only to save Grandpa Max, but also the world from this "giant" problem.
S3E9In Charm's Way
Nov 13, 200923mKevin is beginning to lose all hope that he will someday return to his human self. He then meets a girl who doesn't seem to mind the form he is in. Kevin finds himself under her spell, quite literally, as Charmcaster has come back to exact revenge on Ben and Gwen. Kevin, under Charmcaster's spell, has no choice but to obey his master and destroy Ben and Gwen.
S3E10Ghost Town
Nov 20, 200923mVilgax promises Ghostfreak to spring him out of prison as long as he tells him the secrets of the Omnitrix, but when Ghostfreak betrays him and turns his people into his minions, Vilgax comes to Earth and asks for Ben, Gwen and Kevin's help to get rid of Ghostfreak.
S3E11Trade-Off!
Dec 4, 200923mKevin makes a temporary truce with Darkstar to retrieve an artifact that will return them into their former selves.
S3E12Busy Box
Dec 11, 200923mBen, Kevin and Gwen come across an alien box that can forms into a robotic version of whatever it sees. It power becomes a liability when the Vreedle brothers decide to take the box for themselves.
S3E13Con of Rath
Jan 8, 201023mZaw-Veenull asks Ben to deliver Prince Tiffin to Jarret in order to keep peace between the two species. Shortly, after their trip in space, the Omnitrix malfunctions and turns Ben into an Appoplexian named Rath who wants to fight anything that breathes.
S3E14Primus
Jan 15, 201023mThe Omnitrix transports Ben, Gwen, and Kevin to a planet called Primus, which turns out to have been created by Azmuth. They must stop Vilgax from stopping the Omnitrix at its source.
S3E15Time Heals
Jan 22, 201023mDespite being warned by Paradox, Gwen travels back in time to prevent the accident that turned Kevin into a monster from ever happening. Gwen returns to the present only to find that her time traveling caused a series of events that led to Hex ruling the world.
S3E16The Secret of Chromastone
Jan 29, 201023mWhile sick, Ben is visited by old friend Tetrax, who demands that Ben hand over Chromastone.
S3E17Above and Beyond
Mar 12, 201023mThe Plumber's Helpers are called upon by Grandpa Max to rescue him from an abandoned space station where he's being attacked by Ben! The team must now find a way to work together as they try to save Max, stop Ben, and keep the space station from crashing to Earth.
S3E18Vendetta
Mar 19, 201023mKevin returns home to find his house ransacked, so he enlists Ben and Gwen's help to find out who did it and why. They soon cross paths with Ragnarok, a deadly criminal who recently broke free from the Null Void and is in search of a special key. Kevin is intent on stopping Ragnarok from obtaining the special key, especially after he learns the truth about Ragnarok and his father.
S3E19The Final Battle (1)
Mar 26, 201023mAlbedo has stolen the Ultimatrix from Azmuth and has used it to kidnap Gwen and Kevin. Ben goes to face Albedo and rescue his friends when he quickly discovers that Albedo has been working in conjunction with Vilgax. Ben is defeated by the pair and gives up the Omnitrix to save himself and his friends.
S3E20The Final Battle (2)
Mar 26, 201023mPowerless, Ben goes aboard Vilgax's ship and faces off with Vilgax to stop his invasion of Earth in their final battle. Albedo gives Ben the Ultimatrix and Ben gets his old aliens and their evolved forms.