The BEST Episodes of Ben 10: Alien Force

Every episode ever - ranked by fan votes!

Last Updated: Aug 21, 2019

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.

Ghost Town

#1 - Ghost Town

Season 3 - Episode 10

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 8.10
31 votes
Directors: Dan Riba
Writers: Nicole Dubuc
The Gauntlet

#2 - The Gauntlet

Season 1 - Episode 9

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 8.07
41 votes
Directors: Dan Riba
Writers: Rob Hoegee
The Final Battle (1)

#3 - The Final Battle (1)

Season 3 - Episode 19

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 8.07
28 votes
Writers: Dwayne McDuffie
Above and Beyond

#4 - Above and Beyond

Season 3 - Episode 17

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 8.07
15 votes
Directors: Butch Lukic
Writers: Eugene Son
Con of Rath

#5 - Con of Rath

Season 3 - Episode 13

Zaw-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.

star 8.06
17 votes
Directors: Dan Riba
Writers: Len Uhley
Time Heals

#6 - Time Heals

Season 3 - Episode 15

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 8.06
17 votes
Directors: Rick Morales
Writers: Len Uhley

#7 - Simple

Season 3 - Episode 5

An alien named Probity seeks help from Ben to stop the on-going war on her home planet.

star 8.04
24 votes
Darkstar Rising

#8 - Darkstar Rising

Season 2 - Episode 1

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

star 8.00
48 votes
Directors: Dan Riba
Writers: Dwayne McDuffie
Pet Project

#9 - Pet Project

Season 2 - Episode 6

To find and destroy the alien dragon species, the Forever Knights capture Ship to control a starship they built out of alien technology to locate their homeworld and destroy them.

star 7.95
38 votes
Directors: John Fana
Writers: Len Uhley
What Are Little Girls Made Of?

#10 - What Are Little Girls Made Of?

Season 1 - Episode 8

When Ben and Gwen learn that their grandmother Verdona is an alien being, Verdona insists that Gwen should come along with her to her home planet and improve her abilities. With this, Gwen is faced with a difficult decision between a human and alien life.

star 7.94
49 votes
Directors: Butch Lukic
Writers: Matt Wayne

#11 - Vendetta

Season 3 - Episode 18

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 7.90
20 votes
Directors: Rick Morales
Writers: Len Wein
Pier Pressure

#12 - Pier Pressure

Season 1 - Episode 7

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

star 7.83
42 votes
Directors: Dan Riba
Writers: Len Uhley
Max Out

#13 - Max Out

Season 1 - Episode 6

Gwen's older brother, Ken, is suddenly missing. As they look, they encounter a surprise leading to a shocking secret from the DNAliens.

star 7.83
41 votes
Directors: Butch Lukic
Writers: James Krieg
X = Ben + 2

#14 - X = Ben + 2

Season 1 - Episode 13

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 7.83
46 votes
Directors: Butch Lukic
Writers: Matt Wayne
The Vengeance of Vilgax (1)

#15 - The Vengeance of Vilgax (1)

Season 3 - Episode 1

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

star 7.81
43 votes
Writers: Dwayne McDuffie

#16 - Grounded

Season 2 - Episode 7

When Ben's parents discover his ability to turn into aliens, they forbid him from using the Omnitrix and later ground him from using it again. Eventually Gwen is grounded too leaving Kevin to stop the DNAliens.

star 7.78
40 votes
Directors: Dan Riba
Writers: James Krieg

#17 - Paradox

Season 1 - Episode 10

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 7.77
43 votes
Directors: Butch Lukic
Writers: James Krieg
Inside Man

#18 - Inside Man

Season 2 - Episode 9

Ben and the gang rescue a runaway prisoner of the DNAliens.

star 7.76
37 votes
Directors: John Fang
Writers: Matt Wayne
Ben 10 Returns (1)

#19 - Ben 10 Returns (1)

Season 1 - Episode 1

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 7.75
117 votes
Writers: Dwayne McDuffie
Birds of a Feather

#20 - Birds of a Feather

Season 2 - Episode 10

The gang helps the prince of the arachna-chimps regain power

star 7.74
35 votes
Directors: Dan Riba
Writers: Stan Berkowitz

#21 - Primus

Season 3 - Episode 14

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 7.74
19 votes
Directors: Butch Lukic
Writers: Charlotte Fullerton

#22 - Inferno

Season 3 - Episode 3

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 7.72
33 votes
Directors: John Fang
Writers: Len Uhley
Kevin's Big Score

#23 - Kevin's Big Score

Season 1 - Episode 4

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

star 7.72
50 votes
Directors: Butch Lukic
Writers: Matt Wayne
Everybody Talks About the Weather

#24 - Everybody Talks About the Weather

Season 1 - Episode 3

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 7.72
64 votes
Directors: Dan Riba
Writers: Dwayne McDuffie
Save The Last Dance

#25 - Save The Last Dance

Season 2 - Episode 4

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

star 7.72
46 votes
Directors: Dan Riba
Writers: Amy Wolfram