Carol has blonde hair, wears a blue shirt, white skirt, and white shoes. In Ultimate Alien, her shirt is red.
Carol returned in Duped, where she lost against Julie once again.
In The Ultimate Enemy: Part 1, during another tennis match against Julie, Carol and everyone else in the stadium were turned into Esoterica, except for Julie, thanks to Ship. Carol attacked Julie, but she managed to escape.
Ben 10: Alien Force
Ben 10: Ultimate Alien
- Fame (first re-appearance; cameo)
- Escape from Aggregor (cameo)
- Hero Time (cameo)
- Ultimate Aggregor (cameo)
- The Perfect Girlfriend (cameo)
- The Ultimate Enemy: Part 1 (cameo)