Playlist 3
| Number | Image | Name |
|---|---|---|
| 21 | 
|
Swampfire |
| A Methanosian from the planet Methanos. Swampfire can generate fire and manipulate plant life, and also possesses regenerative abilities. | ||
| 22 | 
|
Echo Echo |
| A Sonorosian from the planet Sonorosia. Echo Echo can self-duplicate and generate powerful sonic screams. | ||
| 23 | 
|
Humungousaur |
| A Vaxasaurian from the planet Terradino. Humungousaur can grow to incredible sizes and is one of Ben's physically strongest transformations. | ||
| 24 | 
|
Jetray |
| An Aerophibian from the planet Aeropela. Jetray can fire neuroshock beams from his eyes and tail, and fly fast enough to enter hyperspace. | ||
| 25 | 
|
Big Chill |
| A Necrofriggian from the frozen planet Kylmyys. Big Chill can freeze things on contact and phase through walls. He can fly and exhale icy winds. | ||
| 26 | 
|
Chromastone |
| A Crystalsapien from the crystal planet Petropia. Chromastone can absorb energy and fire it back as ultraviolet beams. | ||
| 27 | 
|
Brainstorm |
| A Cerebrocrustacean from the planet Encephalonus IV. Brainstorm is among Ben's smartest transformations. He can also generate electric shocks from his claws and exposed brain. | ||
| 28 | 
|
Spidermonkey |
| An Arachnichimp from the forest planet Aranhaschimmia. Spidermonkey can climb walls and generate sticky webbing from his tail. He can swing from the webbing to get around faster. | ||
| 29 | 
|
Goop |
| A Polymorph from the planet Viscosia. Goop consists of a gelatinous liquid body held up by an anti-gravity projector floating overhead. | ||
| 30 | 
|
Alien X |
| A Celestialsapien from the Forge of Creation, which exists outside of the universe. Alien X is Ben's most powerful transformation, having nigh-omnipotence that Ben has mastered in his teen years. He only uses this form in dire situations. |