The WORST episodes of Ben 10: Alien Force

Every episode of Ben 10: Alien Force ever, ranked from worst to best by thousands of votes from fans of the show. The worst episodes of Ben 10: Alien Force!

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.

Last Updated: 9/10/2024Network: Cartoon NetworkStatus: Ended
Fool's Gold
star
7.48
120 votes

#1 - Fool's Gold

Season 3 - Episode 4 - Aired 9/25/2009

A 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.

Directors: Dan Riba
Writer: Eugene Son
Watch Now:Amazon
Vengeance of Vilgax (2)
star
7.56
232 votes

#2 - Vengeance of Vilgax (2)

Season 3 - Episode 2 - Aired 9/11/2009

Ben, 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.

Directors: Butch Lukic, Dan Riba
Watch Now:Amazon
Vreedle, Vreedle
star
7.56
142 votes

#3 - Vreedle, Vreedle

Season 3 - Episode 6 - Aired 10/16/2009

Repo men are hired to return Ship to his parent.

Directors: John Fang
Watch Now:Amazon
What Are Little Girls Made Of?
star
7.74
248 votes

#4 - What Are Little Girls Made Of?

Season 1 - Episode 8 - Aired 6/7/2008

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.

Directors: Butch Lukic
Writer: Matt Wayne
Watch Now:Amazon
Everybody Talks About the Weather
star
7.75
210 votes

#5 - Everybody Talks About the Weather

Season 1 - Episode 3 - Aired 4/26/2008

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.

Directors: Dan Riba
Watch Now:Amazon
Ben 10 Returns (1)
star
7.76
298 votes

#6 - Ben 10 Returns (1)

Season 1 - Episode 1 - Aired 4/18/2008

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.

Directors: Butch Lukic, Dan Riba
Watch Now:Amazon
Inside Man
star
7.79
215 votes

#7 - Inside Man

Season 2 - Episode 9 - Aired 12/12/2008

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

Directors: John Fang
Writer: Matt Wayne
Watch Now:Amazon
Alone Together
star
7.79
254 votes

#8 - Alone Together

Season 2 - Episode 2 - Aired 10/17/2008

During a battle Ben and an alien commander are teleported to a distant world. They must put their differences aside if they're going to have any chance of finding a way to return to Earth.

Directors: Butch Lukic
Watch Now:Amazon
Good Copy, Bad Copy
star
7.79
250 votes

#9 - Good Copy, Bad Copy

Season 2 - Episode 3 - Aired 10/24/2008

An alien impersonates Ben with hopes of using his Omnitrix to annihilate him.

Directors: Butch Lukic
Writer: Joseph Kuhr
Watch Now:Amazon
Paradox
star
7.80
280 votes

#10 - Paradox

Season 1 - Episode 10 - Aired 7/5/2008

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.

Directors: Butch Lukic
Writer: James Krieg
Watch Now:Amazon
Max Out
star
7.80
217 votes

#11 - Max Out

Season 1 - Episode 6 - Aired 5/17/2008

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

Directors: Butch Lukic
Writer: James Krieg
Watch Now:Amazon
All That Glitters
star
7.83
195 votes

#12 - All That Glitters

Season 1 - Episode 5 - Aired 5/10/2008

Grandpa Max leaves Ben a series of instructions to contact a team of heroes. Things go the wrong direction when they soon find them.

Directors: Dan Riba
Writer: Bob Goodman
Watch Now:Amazon
Pet Project
star
7.84
182 votes

#13 - Pet Project

Season 2 - Episode 6 - Aired 11/21/2008

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.

Directors: John Fana
Writer: Len Uhley
Watch Now:Amazon
Voided
star
7.84
245 votes

#14 - Voided

Season 2 - Episode 8 - Aired 12/5/2008

After Gwen receives an S.O.S. from Helen, Ben must go into the Null Void to save her and Manny. Once there, he must find The Wrench in order to stop D'Void, who happens to be Ben's old enemy Dr. Animo

Directors: Butch Lukic
Writer: James Krieg
Watch Now:Amazon
Unearthed
star
7.88
177 votes

#15 - Unearthed

Season 2 - Episode 11 - Aired 3/25/2009

Ben cares for a baby monster and helps locate its parents before the DNAliens find it.

Directors: Butch Lukic
Watch Now:Amazon
Be-Knighted
star
7.89
221 votes

#16 - Be-Knighted

Season 1 - Episode 11 - Aired 7/12/2008

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

Directors: Dan Riba
Watch Now:Amazon
Grounded
star
7.89
187 votes

#17 - Grounded

Season 2 - Episode 7 - Aired 11/23/2008

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.

Directors: Dan Riba
Writer: James Krieg
Watch Now:Amazon
Darkstar Rising
star
7.92
250 votes

#18 - Darkstar Rising

Season 2 - Episode 1 - Aired 10/10/2008

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

Directors: Dan Riba
Watch Now:Amazon
If All Else Fails
star
7.93
139 votes

#19 - If All Else Fails

Season 3 - Episode 8 - Aired 11/6/2009

A 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.

Directors: Butch Lukic
Writer: Adam Beechen
Watch Now:Amazon
Pier Pressure
star
7.94
242 votes

#20 - Pier Pressure

Season 1 - Episode 7 - Aired 5/31/2008

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

Directors: Dan Riba
Writer: Len Uhley
Watch Now:Amazon
Singlehanded
star
7.96
138 votes

#21 - Singlehanded

Season 3 - Episode 7 - Aired 10/23/2009

A bounty hunter tries to remove the Omnitrix from Ben.

Directors: Dan Riba
Watch Now:Amazon
Plumbers' Helpers
star
8.04
246 votes

#22 - Plumbers' Helpers

Season 1 - Episode 12 - Aired 7/19/2008

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

Directors: Dan Riba
Writer: Len Uhley
Watch Now:Amazon
Ben 10 Returns (2)
star
8.06
216 votes

#23 - Ben 10 Returns (2)

Season 1 - Episode 2 - Aired 4/18/2008

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.

Directors: Butch Lukic, Dan Riba
Watch Now:Amazon
Inferno
star
8.07
179 votes

#24 - Inferno

Season 3 - Episode 3 - Aired 9/18/2009

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.

Directors: John Fang
Writer: Len Uhley
Watch Now:Amazon
Kevin's Big Score
star
8.08
173 votes

#25 - Kevin's Big Score

Season 1 - Episode 4 - Aired 5/3/2008

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

Directors: Butch Lukic
Writer: Matt Wayne
Watch Now:Amazon