The Most Intense Monster Outbreak

is the last episode of the second season of Star Teens Unite!.

Summary
Ella is now saved and has her powers back, but, oh dear, Vampira has unleashed her monsters (from myths and legends, from prehistoric times, and from the ocean) to destroy the whole world! Will Ella, her family, her friends (and their mothers) save the world from a deadly monster outbreak?

Characters

 * Ella
 * Kevin/The White Knight
 * Inidra
 * Sandra
 * Felicia
 * Lisa
 * Tanya
 * Sheila
 * Bella
 * Trixie (Ella's mother)
 * Julie (Ella's younger sister)
 * Debbie (Inidra's mother)
 * Samantha (Sandra's mother)
 * Judith (Felicia's mother)
 * Daphne (Lisa's mother)
 * Elena (Tanya's mother)
 * Heather (Sheila's mother)
 * Veronica
 * Queen Vampira
 * Stheno, Euryale, and Medusa
 * Other monsters of myths and legends
 * Prehistroic monsters
 * Sea serpents, sea dragons, and krakens

Voice Cast

 * Aimee Carrero - Tanya
 * Ariel Winter - Julie
 * Colleen O'Shaughnessey - Trixie
 * Cree Summer - Queen Vampira, Heather
 * Grey Delisle Griffin - Sandra, Samantha, Medusa
 * Jennifer Hale - Veronica
 * June Angela - Daphne
 * Kari Wahlgren - Ella
 * Kate Micucci - Inidra
 * Kath Soucie - Debbie, Stheno
 * Kimberly Brooks - Sheila
 * Maria Canals Barrera - Elena
 * Susanne Blakeslee - Bella
 * Tara Strong - Felicia, Judith, Euryale
 * Taylor Lautner - Kevin/The White Knight
 * Vyvan Pham - Lisa

Trivia

 * Besides the monsters from myths and legends and the oceans, monsters that appear from prehistoric times include a Tyrannosaurus Rex, an Apatosaurus, a Stegosaurus, a Triceratops, an Edmontosaurus, an Ankylosaurus, a Dimetrodon, a Pteranodon, an Elasmosaurus, a Saber-Toothed Cat, and a Woolly Mammoth.