The BEST Episodes of Ben 10: Alien Force
Every episode ever - ranked by fan votes!
Last Updated: Dec 9, 2019
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.
#1 - 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.
#2 - 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.
#3 - 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.
#4 - Save The Last Dance
Season 2 - Episode 4
Kevin asks Gwen to the school dance; Ben fears he's losing control of the Omnitrix.
#5 - 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.
#6 - 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.
#7 - Plumbers' Helpers
Season 1 - Episode 12
Freelance young Plumbers mistake Ben and his team as a threat.
#8 - Trade-Off
Season 3 - Episode 11
Kevin makes a temporary truce with Darkstar to retrieve an artifact that will return them into their former selves.
#9 - 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
#10 - 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.
#11 - The Final Battle (2)
Season 3 - Episode 20
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.
#13 - War of the Worlds (1)
Season 2 - Episode 12
Ben, Gwen and Kevin gather their allies to counter the threat of the incoming Highbreed fleet. Azmuth reveals a secret about the Omnitrix.
#14 - War of the Worlds (2)
Season 2 - Episode 13
Ben goes to the HighBreeds' world in an attempt to stop their attack on Earth.
#15 - Be-Knighted
Season 1 - Episode 11
The Forever Knights secure a weapon in hopes of aiding them slay a dragon they have held captive.
#16 - 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.
#17 - 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.
#18 - 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.
#19 - 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.
#20 - 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.
#22 - Undercover
Season 2 - Episode 5
Cooper is kidnapped by the DNAliens, who want him to build a mystery arch.
#23 - 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.
#24 - 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.
#25 - Simple
Season 3 - Episode 5
An alien named Probity seeks help from Ben to stop the on-going war on her home planet.