Here are some of the aliens that *were* introduced in Season 3:
* Big Chill: (Episode 1) A ghost-like alien with the ability to phase through solid objects and manipulate cold.
* Chromastone: (Episode 6) A crystalline alien with the ability to absorb and redirect energy.
* Terraspin: (Episode 10) A rock-like alien with the ability to create whirlwinds and control dust.
* Clockwork: (Episode 18) A time-traveling alien with the ability to manipulate time.
However, it's important to note that these aliens weren't introduced in Ben 10 Alien Force season 3 *specifically*. They were introduced in the Ben 10 Alien Force series, which spanned three seasons.
Here are some new aliens introduced in the first two seasons:
* Goop: A slime-like alien with the ability to morph his body and create tendrils.
* Spidermonkey: An alien with spider-like abilities, including superhuman strength and agility.
* Jetray: A shark-like alien with the ability to fly and shoot sonic blasts.
* Echo Echo: An alien with the ability to create sound blasts and duplicate himself.
* Lodestar: A magnetic alien with the ability to control metal.
* Upgrade: A sentient alien technology that can possess and control machines.
If you're looking for specific details about aliens and their introductions, you can find detailed information online or consult fan wikis dedicated to the Ben 10 franchise.