Ben 10 Alien Force: All Aliens' First Appearances

Ben Tennyson - Wikipedia

The First 10 Aliens in Ben 10: Alien Force - ReelRundown

Ben 10 Original Series First Ten Aliens by dlee1293847 on DeviantArt

🔥Rath's First Appearance🔥, Reaction Mashup

EVERY NEW ALIEN TRANSFORMATIONS IN ALIEN FORCE

The First 10 Aliens in Ben 10: Alien Force - ReelRundown

So wouldn't it be neat if they use the subspecies concept on Other aliens? Since all of them clearly look different on there first appearance : r/Ben10

Category:Alien Force Aliens, Ben 10 Wiki

Diamondhead, Cannonbolt, and way big are the only 3 aliens to appear in every ben 10 animated shows. (Treating alien force and ultimate alien as two different shows bc they are) : r/Ben10

Ben 10: Omniverse (Western Animation) - TV Tropes

Ben 10 Alien Force: All Aliens' First Appearances

Ultimate Forms, Ben 10 Wiki