Don't Open the Box

 is the fifty-fifth episode of the first season of Star Teens Unite!.

Summary
Pandora has left her box to Sandra which warns her not to open. If she does, however, every sickness comes out and cause a serious uproar!

Debuts

 * Pandora

Characters

 * Ella
 * Inidra
 * Sandra
 * Felicia
 * Lisa
 * Tanya
 * Sheila
 * Bella
 * Samantha (Sandra's mother)
 * Paul (Sandra's younger brother)
 * Ms. Diana Apple
 * Nurse Penny Harrison
 * Pandora

Voice Cast

 * Aimee Carrero - Tanya
 * April Stewart - Pandora
 * Candi Milo - Ms. Diana Apple
 * Grey Griffin - Sandra, Samantha
 * Kari Wahlgren - Ella
 * Kate Micucci - Inidra
 * Kath Soucie - Nurse Penny Harrison
 * Kimberly Brooks - Sheila
 * Susanne Blakeslee - Bella
 * Tara Strong - Felicia, Paul
 * Vyvan Pham - Lisa

Trivia

 * April Stewart voices Pandora in this series' episode, and another Pandora in the unrelated show Danny Phantom's episode "Boxed Up Fury".
 * Every member of the Star Teens wears their Star Teen face masks, but not their Star Teen outfits until later in this episode, to prevent themselves from getting sick. This is the sixth episode to do so, the other being Masked in Seattle, Reeking Havoc, Beware the Dragon!, The Big Mess Up, and Tengu Revenge.