Also known as: エイリアンフォース
A sequel to Ben 10 set 5 years after the original series. Ben 10: Ultimate Alien takes place immediately afterwards and shares the same character designs.
Characters
Main
Ben's aliens
- Alien X (Ben 10)
- Bellicus
- Serena (Ben 10)
- Big Chill
- Brainstorm (Ben 10)
- Cannonbolt
- Chromastone
- Diamondhead
- Echo Echo (Ben 10)
- Ghostfreak
- Goop (Ben 10)
- Heatblast
- Humungousaur
- Jetray
- Lodestar (Ben 10)
- Nanomech (Ben 10) (Ben 10: Alien Swarm)
- Rath (Ben 10)
- Spidermonkey
- Swampfire
- Upchuck
- Murk Upchuck
- Way Big
- Wildmutt
Others
- Argit
- Albedo (Ben 10)
- Attea (Ben 10)
- Charmcaster
- Decoy Queen (Ben 10) (Ben 10: Alien Swarm)
- DNAliens
- Dr. Animo
- Dr. Victor Valadis (Ben 10: Alien Swarm)
- Helen Wheels
- Hex (Ben 10)
- Highbreed (Ben 10)
- Jarret (Ben 10)
- Max Tennyson
- Michael Morningstar
- Microchips (Ben 10) (Ben 10: Alien Swarm)
- Pickaxe Alien (Ben 10)s
- Prince Of Lewoda (Ben 10)
- Reinrassig III
- Rock Monsters (Ben 10)
- Ship (Ben 10)
- Sugilite (Ben 10)
- Sunder (Ben 10)
- Tetrax
- Vilgax
- Zs'Skayr