The BEST Episodes of Ben 10: Alien Force

Every episode ever - ranked by fan votes!

Last Updated: Jan 17, 2020

Network: Cartoon Network

Ben 10: Alien Force is the sequel to the hit Cartoon Network series, Ben 10. The series takes place five years later after the original. Ben no longer wears the Omnitrix, and his cousin, Gwen, has honed her skills in magic. But when an alien invasion of the DNALIENS strike Earth and Grandpa Max goes missing, Ben decides that it's hero time once again. He's not alone, as he is joined by Gwen, and even his old archenemy, Kevin Levin comes along for the ride. Now it's time once again for Ben to begin his quest to find his grandfather and stop the invasion from the evil DNALIENS.

The Final Battle (1)

#1 - The Final Battle (1)

Season 3 - Episode 19 - Aired Mar 26, 2010

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.

star 8.25
32 votes
Writers: Dwayne McDuffie
Time Heals

#2 - Time Heals

Season 3 - Episode 15 - Aired Jan 22, 2010

Despite 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.

star 8.05
19 votes
Directors: Rick Morales
Writers: Len Uhley
Save The Last Dance

#3 - Save The Last Dance

Season 2 - Episode 4 - Aired Nov 7, 2008

Kevin asks Gwen to the school dance; Ben fears he's losing control of the Omnitrix.

star 7.93
219 votes
Directors: Dan Riba
Writers: Amy Wolfram
Above and Beyond

#4 - Above and Beyond

Season 3 - Episode 17 - Aired Mar 12, 2010

The 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.

star 7.82
17 votes
Directors: Butch Lukic
Writers: Eugene Son
X = Ben + 2

#5 - X = Ben + 2

Season 1 - Episode 13 - Aired Aug 31, 2008

An alien emperor plans to destroy the planet Earth for kidnapping his daughter. In order to save the planet, Ben must uncover the secrets of Alien X.

star 7.66
193 votes
Directors: Butch Lukic
Writers: Matt Wayne
Plumbers' Helpers

#6 - Plumbers' Helpers

Season 1 - Episode 12 - Aired Jul 19, 2008

Freelance young Plumbers mistake Ben and his team as a threat.

star 7.60
193 votes
Directors: Dan Riba
Writers: Len Uhley
The Final Battle (2)

#7 - The Final Battle (2)

Season 3 - Episode 20 - Aired Mar 26, 2010

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.

star 7.60
20 votes
Writers: Dwayne McDuffie
The Gauntlet

#8 - The Gauntlet

Season 1 - Episode 9 - Aired Jun 14, 2008

When Ben stands up to Cash and JT, they soon discover a robotic gauntlet from Kevin's vehicle. With it, Cash decides to get back on Ben, although this time, it's more than just a joke.

star 7.59
159 votes
Directors: Dan Riba
Writers: Rob Hoegee
Darkstar Rising

#9 - Darkstar Rising

Season 2 - Episode 1 - Aired Oct 10, 2008

A new villain comes into town, his name is Darkstar, he commits some crimes and gets the team's attention fast

star 7.52
193 votes
Directors: Dan Riba
Writers: Dwayne McDuffie
Pier Pressure

#10 - Pier Pressure

Season 1 - Episode 7 - Aired May 31, 2008

While Ben has a date with Julie, it is soon ruined when an alien named Ship makes trouble at the local fair.

star 7.50
188 votes
Directors: Dan Riba
Writers: Len Uhley
The Vengeance of Vilgax (1)

#11 - The Vengeance of Vilgax (1)

Season 3 - Episode 1 - Aired Sep 11, 2009

Vilgax, after conquering 10 planets, comes to Earth to destroy Ben.

star 7.49
131 votes
Writers: Dwayne McDuffie
War of the Worlds (1)

#12 - War of the Worlds (1)

Season 2 - Episode 12 - Aired Mar 27, 2009

Ben, Gwen and Kevin gather their allies to counter the threat of the incoming Highbreed fleet. Azmuth reveals a secret about the Omnitrix.

star 7.47
158 votes
Directors: Dan Riba
Writers: Dwayne McDuffie
War of the Worlds (2)

#13 - War of the Worlds (2)

Season 2 - Episode 13 - Aired Mar 27, 2009

Ben goes to the HighBreeds' world in an attempt to stop their attack on Earth.

star 7.46
144 votes
Directors: Butch Lukic
Writers: Dwayne McDuffie
Be-Knighted

#14 - Be-Knighted

Season 1 - Episode 11 - Aired Jul 12, 2008

The Forever Knights secure a weapon in hopes of aiding them slay a dragon they have held captive.

star 7.42
163 votes
Directors: Dan Riba
Writers: Stan Berkowitz
Ghost Town

#15 - Ghost Town

Season 3 - Episode 10 - Aired Nov 20, 2009

Vilgax 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.

star 7.41
92 votes
Directors: Dan Riba
Writers: Nicole Dubuc
Vendetta

#16 - Vendetta

Season 3 - Episode 18 - Aired Mar 19, 2010

Kevin 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.

star 7.40
52 votes
Directors: Rick Morales
Writers: Len Wein
Trade-Off

#17 - Trade-Off

Season 3 - Episode 11 - Aired Dec 4, 2009

Kevin makes a temporary truce with Darkstar to retrieve an artifact that will return them into their former selves.

star 7.39
18 votes
Directors: Butch Lukic
Writers: Len Wein
Kevin's Big Score

#18 - Kevin's Big Score

Season 1 - Episode 4 - Aired May 3, 2008

Kevin shatters Ben and Gwen's trust when he steals the Rust Bucket to sell for alien technology on the black market.

star 7.38
111 votes
Directors: Butch Lukic
Writers: Matt Wayne
Ben 10 Returns (2)

#19 - Ben 10 Returns (2)

Season 1 - Episode 2 - Aired Apr 18, 2008

Ben, Gwen, and Kevin follow a lead that takes them to a secret base in the desert. There they hope to find Grandpa Max but instead find a Highbreed spaceship with a giant cannon.

star 7.35
149 votes
Writers: Dwayne McDuffie
Inferno

#20 - Inferno

Season 3 - Episode 3 - Aired Sep 18, 2009

Ben, 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.

star 7.35
122 votes
Directors: John Fang
Writers: Len Uhley
Ben 10 Returns (1)

#21 - Ben 10 Returns (1)

Season 1 - Episode 1 - Aired Apr 18, 2008

Ben discovers that the Forever Knights are trading weapons with the DNAliens, while at the same time, Grandpa Max has mysteriously gone missing. He decides to return the Omnitrix on his wrist and go hero once again.

star 7.31
236 votes
Writers: Dwayne McDuffie
Paradox

#22 - Paradox

Season 1 - Episode 10 - Aired Jul 5, 2008

A time experiment in the 1950s sends a bizarre monster to Ben's time. Now Ben, Gwen, and Kevin must team up with Paradox, a time traveling hero, to face off against the unstoppable creature.

star 7.31
218 votes
Directors: Butch Lukic
Writers: James Krieg
Undercover

#23 - Undercover

Season 2 - Episode 5 - Aired Nov 14, 2008

Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.

star 7.31
123 votes
Directors: Butch Lukic
Writers: Adam Beechen
Primus

#24 - Primus

Season 3 - Episode 14 - Aired Jan 15, 2010

The 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.

star 7.30
50 votes
Directors: Butch Lukic
Writers: Charlotte Fullerton
Everybody Talks About the Weather

#25 - Everybody Talks About the Weather

Season 1 - Episode 3 - Aired Apr 26, 2008

Gwen discovers that Grandpa Max's badge is able to signal other Plumbers. However, by using it, they meet up with a familiar face, a pyronite.

star 7.30
151 votes
Directors: Dan Riba
Writers: Dwayne McDuffie