All Ben 10 Alien Force Episodes (FREE × 2026)

Synopsis: The team investigates a crashed spaceship carrying a rare metal called “Taydenite.” They encounter a shapeshifting alien criminal named Xylene (an old friend of Grandpa Max). Key moment: Gwen learns her mana (energy-based magic) can be weaponized.

Season 3 is controversial among fans. After the High Breed’s defeat, the show introduces two new villains: the returning Vilgax (now cybernetically enhanced) and a new threat named Aggregor. The tone shifts to be more action-driven and less serialized.

Yes. While the original series is pure nostalgia, Alien Force is the The Empire Strikes Back of the franchise. It added emotional weight, serialized storytelling, and the best trio in cartoon history: Ben, Gwen, and a reformed Kevin.

The only criticism? Season 3 rushes the Vilgax arc because the network wanted to launch Ultimate Alien. But even the "weaker" episodes contain crucial lore.

Rating: ★★★★☆ (4.5/5)

Where to stream: HBO Max | Amazon Prime (Buy) | iTunes

What’s your favorite Alien Force episode? Drop a comment below—and remember, it’s hero time.

-- Josh, Senior Omnitrix Analyst

Ben 10: Alien Force is the second installment of the franchise, set five years after the original series. It follows a matured, 15-year-old Ben Tennyson as he re-dons a recalibrated Omnitrix to find his missing Grandpa Max and thwart a massive alien invasion by the Highbreed.

The series ran for 46 episodes across three seasons from 2008 to 2010: Season 1: The New Threat (13 Episodes)

Ben teams up with his cousin Gwen and former rival Kevin Levin to investigate the "Highbreed" conspiracy.

Season 2 is widely considered the peak of Alien Force. It escalates the High Breed conflict, introduces fan-favorite aliens like Chromastone and Goop, and delivers one of the most shocking plot twists in the franchise.

Ben 10: Alien Force remains a landmark in Western animation. While the first two seasons deliver a tight, emotional war story about prejudice and redemption, Season 3 stumbles slightly but still offers essential lore and fan-favorite moments. Together, all 46 episodes form the backbone of the “Classic Ben 10 Universe,” setting the stage for Ultimate Alien, Omniverse, and the live-action movies.

Whether you’re here for the High Breed arc’s moral complexity, the Rath-fueled comedy, or Kevin’s angst-filled redemption, every episode adds a layer to Ben Tennyson’s journey from a boy with a watch to a hero of the galaxy.

Have you watched all 46 episodes? Which alien debut is your favorite? Share your thoughts in the comments (or on your favorite fan forum).

Article last updated: October 2025. Episode order based on original Cartoon Network airdates and DVD box sets.

Set five years after the original series, Ben 10: Alien Force

transitions from a lighthearted childhood adventure into a darker, more mature narrative. Now 15, Ben Tennyson must re-don the Omnitrix to investigate the disappearance of Grandpa Max and combat an impending intergalactic threat. The Core Squad

Ben Tennyson: A more responsible, strategic leader who starts the series with a "recalibrated" Omnitrix and a set of ten brand-new aliens.

Gwen Tennyson: Her powers shift from "magic" to the manipulation of Mana, revealed to be a result of her alien Anodite heritage from her grandmother, Verdona.

Kevin Levin: Ben’s former rival turned ally. He uses his matter-absorption abilities to provide muscle and tech expertise for the team. Series Arc Overview The show consists of 46 episodes across three seasons. Seasons 1 & 2: The Highbreed Invasion

: Much of Season 1 involves following cryptic clues left by Grandpa Max while battling DNAliens (humans mutated by Highbreed parasites). The Plumbers' Helpers

: Ben recruits other "half-alien" teenagers, expanding the cast and the lore of the Plumbers—the intergalactic police force. War of the Worlds

: The arc culminates in a massive battle where Ben uses the Omnitrix to repair the Highbreed's damaged genetic code, ending the war through healing rather than destruction. Season 3: The Return of Old Foes

Following the Highbreed defeat, the series shifts toward a more "villain-of-the-week" format with several high-stakes multi-part episodes. Ben 10: Alien Force. Season 3 [2009-2010] 19 Episodes

Another broken alternate future. (This happens to the X-Men like every other month.) The Moonbus spaceship from multiple episodes. WordPress.com

Ben 10: Alien Force is a popular animated TV series that aired from 2008 to 2010. The show is a sequel to the original Ben 10 series and follows the adventures of Ben Tennyson and his friends as they fight against various villains and alien threats.

Here is a list of all 46 episodes of Ben 10: Alien Force:

Season 1 (2008-2009)

Season 2 (2009-2010)

Season 3 (2010)

Specials and Movies

Alien Force: Ultimate Collection DVD Episodes

The following episodes are from the Alien Force: Ultimate Collection DVD set: all ben 10 alien force episodes

31-40. (same as episodes 1-10, and 13-16)

Countdown Episodes (Webisodes)

The Countdown episodes are short, 5-minute webisodes that bridge the gap between Ben 10 and Ben 10: Alien Force.

Would you like to know more about a specific episode or character from Ben 10: Alien Force?

It sounds like you’re referencing a blog post that catalogs or reviews every episode of Ben 10: Alien Force. While I can’t browse the live web or pull up that specific post, I can tell you that Alien Force ran for 46 episodes across three seasons (2008–2010), introducing iconic aliens like Swampfire, Echo Echo, and Humungousaur.

If you’re looking for that blog post, you might try searching for the exact phrase in quotes:
"all ben 10 alien force episodes"

Common angles in such posts include:

Ben 10: Alien Force consists of 46 episodes spread across three seasons

, following a 15-year-old Ben Tennyson as he searches for his missing Grandpa Max.

Below is a drafted list of all episodes by season, which you can use for a guide, blog post, or watchlist: Season 1 (13 Episodes)

The series kicks off with Ben donning the Omnitrix again after five years to battle the Highbreed and DNAliens. Ben 10 Returns (Parts 1 & 2): Ben, Gwen, and a reformed Kevin 11 team up. Everybody Talks About the Weather Meet Alan Albright, a Heatblast hybrid. Kevin's Big Score Kevin looks for alien tech to pay back a debt. All That Glitters The team meets Mike Morningstar. The search for Grandpa Max leads to a DNAlien factory. Pier Pressure

Ben goes on a date with Julie, but a Galvanic Mechamorph (Ship) interferes. What Are Little Girls Made Of?

Gwen discovers the origin of her powers from her grandmother, Verdona. The Gauntlet

A bully named Cash gains alien powers from a gauntlet Kevin "borrowed." The team meets the time-traveling Professor Paradox. Be-Knighted

Kevin sets up a deal with the Forever Knights to slay a dragon. Plumbers' Helpers Two amateur Plumber kids mistake Ben’s team for DNAliens. X = Ben + 2 Ben unlocks Alien X to stop a dam from bursting. Season 2 (13 Episodes)

This season focuses on the escalating war against the Highbreed invasion. Darkstar Rising Mike Morningstar returns as the villain Darkstar. Alone Together

Ben and a Highbreed commander are stranded on a desert planet. Good Copy, Bad Copy Albedo, a Galvan, creates a duplicate Omnitrix. Save the Last Dance Big Chill’s reproductive cycle takes over Ben’s body. Undercover

The team helps a mechanic fix a teleporter to the Highbreed homeworld. Pet Project The Forever Knights try to create their own Ship.

Ben is grounded by his parents but must still fight a DNAlien.

Ben enters the Null Void to help old friends and stop "D'Void" (Animo). Inside Man

The team must protect a man who has a vital Highbreed tracking device. Birds of a Feather A prince from another planet (Simian) asks for Ben's help. A giant baby alien is found in a mine. War of the Worlds (Parts 1 & 2): The final showdown with the Highbreed. Season 3 (20 Episodes)

Vilgax returns, and the stakes rise as Ben struggles with his newfound fame and the Omnitrix's glitches. Vengeance of Vilgax (Parts 1 & 2): Vilgax returns to challenge Ben for the Earth. The team investigates fire-breathing monsters in a mine. Fool’s Gold Ben helps a species of gold-pooping aliens. Ben tries to end a centuries-long war on a distant planet. Don’t Fear the Reefer A Ghostfreak-themed episode where Zs'Skayr returns. Singlehanded A bounty hunter sends Ben's hand to another dimension. If All Else Fails A failsafe Highbreed weapon is accidentally activated. In Charm's Way Kevin falls under Charmcaster’s spell. Ghost Town Ben must allow Ghostfreak to possess him to save a planet. Darkstar offers Kevin a deal to return to human form. A transformative alien toy causes chaos. Con of Vendetta Kevin seeks revenge on the man who killed his father. The Vreedle Brothers Two dim-witted bounty hunters try to take Ship.

The Omnitrix teleports the team to the planet where it was created. Time Heals Gwen travels back in time to stop Kevin’s mutation. The Secret of Chromastone Tetrax returns to reveal the truth about Chromastone. Above and Beyond The Plumber's Helpers must pass a test set by Grandpa Max. The Final Battle (Parts 1 & 2):

Vilgax and Albedo team up to take the Omnitrix once and for all. Google Play according to fans on Ben 10: Alien Force (TV Series 2008–2010) - IMDb

Ben 10: Alien Force takes place five years after the original series, featuring a 15-year-old Ben Tennyson who must re-don the Omnitrix to find his missing Grandpa Max. The series consists of 46 episodes spread across three seasons.  Season 1: The Return (13 Episodes) 

This season introduces the new "Alien Force" team—Ben, Gwen, and Kevin—and their primary conflict against the Highbreed and DNAliens. 

Ben 10: Alien Force shifted the franchise into a more mature, serialized direction, following a 15-year-old Ben Tennyson as he takes up the Omnitrix once again to stop a clandestine alien invasion. The series consists of 46 episodes spanning three seasons, originally airing between 2008 and 2010.

Below is a complete guide to every episode of Ben 10: Alien Force. Season 1: The Highbreed Menace

The first season focuses on Ben, Gwen, and a reformed Kevin Levin forming a team to investigate the disappearance of Grandpa Max and the rising threat of the DNAliens and Highbreed. Ben 10 Returns: Part 1

Five years after his last adventure, Ben puts the Omnitrix back on to find his missing grandfather. Ben 10 Returns: Part 2

Ben, Gwen, and Kevin confront a Highbreed commander and a massive alien cannon. Everybody Talks About the Weather

The team meets Alan Albright, a Pyronite-human hybrid, while tracking a Plumber's signal. Kevin's Big Score

Kevin betrays the team's trust by stealing the Rustbucket to trade for alien tech. All That Glitters

The group encounters Michael Morningstar, a "Plumber's kid" with sinister intentions. Max Out Synopsis: The team investigates a crashed spaceship carrying

Ben’s cousin Ken goes missing, leading the team to a DNAlien "factory" and a major sacrifice by Max. Pier Pressure

Ben's first date with Julie Yamamoto is interrupted by a Galvanic Mechamorph named Ship. What Are Little Girls Made Of?

Ben and Gwen meet their grandmother, Verdona, who reveals their Anodite heritage. The Gauntlet

School bully Cash acquires a robotic gauntlet that begins to take over his body. Paradox

The team meets Professor Paradox, a time-traveler helping them stop a creature from the 1950s. Be-Knighted

The Forever Knights recruit Ben to slay a "dragon" that is actually an escaped alien prisoner. Plumbers' Helpers

Rogue young Plumbers Manny and Helen mistake Ben's team for hostile aliens. X = Ben + 2

Ben must convince the warring personalities of Alien X to save Earth from the Incurseans. Season 2: War of the Worlds

Season 2 raises the stakes as Albedo is introduced and the Highbreed invasion reaches its climax. Darkstar Rising

Michael Morningstar returns as Darkstar, forcing Ben and a Highbreed to work together. Alone Together

Ben and a Highbreed commander are stranded on a desert planet and must survive together. Good Copy, Bad Copy

Albedo, a Galvan who looks exactly like Ben, tries to steal the Omnitrix. Save the Last Dance

Ben loses control of the Omnitrix as Big Chill enters a reproductive cycle. Undercover

The team rescues Cooper Daniels, who has been forced to build a device for the DNAliens. Pet Project

A scientist kidnaps Ship, forcing Ben and Julie to mount a rescue mission. Grounded

Ben’s parents catch him in action and ground him from using the Omnitrix. Voided

Ben enters the Null Void to help the Plumber's Helpers stop the tyrant D'Void (Dr. Animo). Inside Man

The team protects a man named Tyler, who has vital info about the Highbreed's plans. Birds of a Feather

Prince Simian of the Arachnichimps enlists Ben's help to "recover" a powerful artifact. Unearthed

The group tries to reunite a baby alien creature with its parents in Bellwood. War of the Worlds: Pt. 1

Azmuth and Paradox warn Ben that the Highbreed fleet is arriving for the final invasion. War of the Worlds: Pt. 2

Ben heals the Highbreed's genetic decay to end the war, but Kevin is mutated in the process. Season 3: The Return of Vilgax

The final season is more episodic, centering on the return of Vilgax and Kevin’s struggle with his new mutation.

Ben 10: Alien Force (TV Series 2008–2010) - Episode list - IMDb

Ben 10: Alien Force ran for three seasons from 2008 to 2010, following a 15-year-old Ben Tennyson as he reunites with Gwen and a reformed Kevin Levin to stop the Highbreed invasion. Season 1 (2008)

Focuses on Ben putting the Omnitrix back on to find a missing Grandpa Max and assembling a team to fight the DNAliens. Ben 10 Returns: Part 1 & 2

: Ben dawns the Omnitrix again to investigate a Forever Knight and DNAlien arms trade. Everybody Talks About the Weather : The team meets Alan Albright, a Pyronite-human hybrid. Kevin's Big Score : Kevin attempts to trade the Rustbucket for alien tech. All That Glitters

: Ben meets Mike Morningstar, a "bio-energy vampire" seeking Plumber kids.

: Gwen's brother Ken goes missing in a town overrun by DNAliens. Pier Pressure

: Ben’s first date with Julie Yamamoto is interrupted by a stray Galvanic Mechamorph. What Are Little Girls Made Of?

: Ben and Gwen discover their grandmother, Verdona, is an Anodite. The Gauntlet

: Ben's old bully, Cash, gains powers from a broken alien robot glove.

: A time-travel experiment from the 1950s goes wrong, introducing Professor Paradox. Be-Knighted

: The team helps the Forever Knights slay a "dragon" that turns out to be an alien. Plumbers' Helpers What’s your favorite Alien Force episode

: Two rogue young Plumbers, Manny and Helen, mistake Ben for a villain. X = Ben + 2

: Ben unlocks Alien X to fix a dam but gets trapped in internal debate with its personalities. Season 2 (2008–2009) Culminates in the massive " War of the Worlds

" story arc where Ben's team and allies face the full Highbreed fleet. Darkstar Rising : Mike Morningstar returns as the villainous Darkstar. Alone Together

: Ben and a Highbreed commander are stranded on a desert planet and must cooperate. Good Copy, Bad Copy

: Albedo, a Galvan, builds his own Omnitrix and becomes Ben's twin. Save the Last Dance

: Big Chill takes over Ben's body to build a nest and lay eggs. Undercover

: The team helps a DNAlien named Cooper work against the Highbreed. Pet Project

: Scientist Dr. Animo (as "D'Void") is found ruling a dimension in the Null Void.

: Ben's parents find out about his secret identity and ground him.

: Ben enters the Null Void to help the resistance against "D'Void". Inside Man

: The team tries to stop the Highbreed from completing a "hyperspace jump gate". Birds of a Feather

: A prince from another world asks Ben to help retrieve a "holy artifact". : A giant baby alien is found in a construction site. War of the Worlds: Part 1 & 2

: The Highbreed invade Earth; Ben uses the Omnitrix to repair the Highbreed's genetic damage. Season 3 (2009–2010)

The final season sees the return of Vilgax and Ben's struggle with his growing fame and the new Ultimatrix. Vengeance of Vilgax: Part 1 & 2

: Vilgax returns, conquering worlds and challenging Ben to a duel.

: The team stops Vulkanus from drilling to the Earth's core. Fool's Gold

: The team helps a race of small gold-pooping aliens during a popcorn festival.

: Ben tries to end a centuries-old war on another planet through brute force. Don't Fear the Repo

: Vreedle Brothers repo men try to reclaim Julie's pet, Ship. Single Handed

: Ben's hand is sent to another dimension, and he must fight without it. If All Else Fails

: A Highbreed failsafe—a giant plant monster—is accidentally activated. In Charm's Way : Charmcaster returns to steal Gwen's magical mana. Ghost Town

: Ben frees Ghostfreak from Vilgax's prison to save Vilgaxia. Trade-Off! : Kevin and Darkstar team up to regain their human forms.

: The team finds a "Vreedle-made" device that mimics Ben's aliens. Con of Rath

: The Omnitrix malfunctions, turning Ben into the aggressive Appoplexian, Rath.

: The team is transported to Primus, the planet where the Omnitrix's DNA is stored. Time Heals : Gwen travels back in time to prevent Kevin's mutation. The Secret of Chromastone : Tetrax returns to help Ben restore the planet Petropia. Above and Beyond

: Grandpa Max tests the Plumbers' Helpers by making them "fight" Ben.

: Kevin tracks down Ragnarok, the man who killed his father. The Final Battle: Part 1 & 2

: Albedo and Vilgax team up; Ben destroys the Omnitrix and gains the Ultimatrix. Ben 10 Week | Ben 10 Wiki | Fandom

Ben 10: Alien Force (2008–2010) is widely regarded as a more mature and darker sequel to the original series. The show spans three seasons with a total of 46 episodes Series Overview & Critical Reception

The series shifts five years after the original, featuring a teenage Ben who is more responsible and a tone that is significantly darker with complex plots and higher stakes. Characters:

Ben has matured, Gwen’s powers are further explored (introducing her Anodite ancestry), and former villain Kevin Levin joins the team as a hero. Season Ratings:

Often considered "peak" for its tight narrative and establishment of the Highbreed arc.

Continues the Highbreed story effectively, with high critical and fan praise.

Frequently cited as the "lowest point" by fans due to perceived character regression for Ben and a shift toward more episodic content. Top-Rated Episodes According to fan rankings and IMDb episode lists

Ranking "Alien Force" Episodes from Worst to Best - Ben 10 Wiki