Ben 10: Alien Force

Season 3

TV-Y7

83%

Fifteen-year-old Ben Tennyson must utilize the Omnitrix yet again in order to locate his missing Grandpa Max, accompanied by his cousin Gwen and former enemy Kevin 11.

Where to Watch Season 3

20 Episodes

Vengeance of Vilgax (1)
E1
Vengeance of Vilgax (1)Vilgax, after conquering 10 planets, comes to Earth to destroy Ben.
Vengeance of Vilgax (2)
E2
Vengeance of Vilgax (2)Tampering with the Omnitrix leads to an explosion, allowing four of Ben's transformation aliens to escape. As time runs down before he must face Vilgax in a one-on-one fight for Earth, Ben must reabsorb the loosed aliens before they perish and become permanently lost from the Omnitrix. Kevin, caught in the same explosion, gets knocked into a multi-metallic form from which he can not escape.
Inferno
E3
InfernoBen, 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.
Fool's Gold
E4
Fool's GoldA 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.
Simple
E5
SimpleBen responds to an alien girl's plea to end the war dividing her planet, so Ben, taking Gwen and Kevin aboard Ship, heads out to accomplish it. As a first-time negotiator, Ben expects to apply simple solutions to matters that seem all too simple. Meanwhile, Kevin discovers and teams up with Argit, who's making a killing on the planet as an arms dealer to both red and blue armies.
Vreedle, Vreedle
E6
Vreedle, VreedleShip'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.
Single Handed
E7
Single HandedA retriever who specializes in obtaining rare goods comes after the Omnitrix, dimensionally separating the Omnitrix and a part of Ben. Ben is sent elsewhere, fighting to survive, while his friends try to figure a way to bring him back.
If All Else Fails
E8
If All Else FailsA 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.
In Charm's Way
E9
In Charm's WayKevin 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.
Ghost Town
E10
Ghost TownVilgax 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.
Trade-Off!
E11
Trade-Off!Darkstar enables Kevin to find him in order to strike a mutually beneficial deal in laying hands to a powerful artifact of alien origin known as the Dominus Librium. Its acquisition promises to restore both of them to human form - which it does - but the deal leaves Kevin without special powers and Mike Morningstar with the capacity to be a worse threat than he was before.
Busy Box
E12
Busy BoxBen, 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.
Con of Rath
E13
Con of RathZaw-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.
Primus
E14
PrimusThe 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.
Time Heals
E15
Time HealsDespite 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.
The Secret of Chromastone
E16
The Secret of ChromastoneWhile sick, Ben is visited by old friend Tetrax, who demands that Ben hand over Chromastone.
Above and Beyond
E17
Above and BeyondThe 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.
Vendetta
E18
VendettaKevin 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.
The Final Battle (1)
E19
The Final Battle (1)Albedo 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.
The Final Battle (2)
E20
The Final Battle (2)Powerless, 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.