Who Are Those Masked Women?

 is the twelfth episode of the first season of Star Teens Unite!.

Summary
Vampira has kidnapped Ella, Inidra, Sandra, Felicia, Lisa, Tanya, and Sheila and replaced them with humanoid lizard monsters shapeshifting into fugitive Star Teens to raid villages in Arco Iris and cities on Planet Earth! Can Bella and Julie stop the shapeshifters and save the real Star Teens?

Characters

 * Ella
 * Inidra
 * Sandra
 * Felicia
 * Lisa
 * Tanya
 * Sheila
 * Bella
 * Queen Vampira
 * Mutant humanoid lizards
 * Trixie (Ella's mom)
 * Julie (Ella's younger sister)

Voice Cast

 * Aimee Carrero - Tanya
 * Ariel Winter - Julie
 * Colleen O'Shaughnessey - Trixie
 * Cree Summer - Queen Vampira
 * Grey Griffin - Sandra
 * Kari Wahlgren - Ella
 * Kate Micucci - Inidra
 * Kimberly Brooks - Sheila
 * Susanne Blakeslee - Bella
 * Tara Strong - Felicia
 * Vyvan Pham - Lisa

Trivia

 * This episode marks the first time the Star Teens meet Queen Vampira face to face.
 * The fight between the Star Teens and Queen Vampira is similar to the fight between the Teenage Mutant Ninja Turtles and Shredder in the Teenage Mutant Ninja Turtles episode The Gauntlet.
 * The Star Teen fugitives have very large mouths with razor sharp teeth, similar to Mileena's of Mortal Kombat fame.
 * This episode marks the first time the Star Teens are taken captive. As they are seen floating in Queen Vampira's lair, trapped in balls of energy, unconscious.