Justice is Forever

 is the sixth one-hour crossover special in a series of Star Teens: Power Hour specials that features characters from the Justice League comics.

Summary
The Star Teens get transported to the Justice League Headquarters and join forces with the Justice League to help defeat Darkseid who tries to attack Florida.

Characters

 * Ella
 * Inidra
 * Sandra
 * Felicia
 * Lisa
 * Tanya
 * Sheila
 * Superman/Clark Kent
 * Batman/Bruce Wayne
 * Wonder Woman/Diana Prince
 * Flash/Wally West
 * Green Lantern/John Stewart
 * Aquaman/Arthur Curry
 * Martian Manhunter/J'onn J'onzz
 * Green Arrow/Oliver Queen
 * Black Canary/Dinah Lance
 * Zatanna
 * Hawkgirl/Shayera Hol
 * Vixen/Mari Jiwe McCabe
 * Supergirl/Kara Kent
 * Darkseid

Voice Cast

 * Aimee Carrero - Tanya
 * Carl Lumbry - Martian Manhunter/J'onn J'onzz
 * Cree Summer - Vixen/Mari Jiwe McCabe
 * George Newbern - Superman/Clark Kent
 * Grey Griffin - Sandra
 * Jennifer Hale - Zatanna
 * Kari Wahlgren - Ella
 * Kate Micucci - Inidra
 * Kevin Conroy - Batman/Bruce Wayne
 * Kimberly Brooks - Sheila
 * Kin Shriner - Green Arrow/Oliver Queen
 * Maria Canals Barrera - Hawkgirl/Shayera Hol
 * Michael Ironside - Darkseid
 * Michael Rosenbaum - Flash/Wally West
 * Nicolle Tom - Supergirl/Kara Kent
 * Phil LaMarr - Green Lantern/John Stewart
 * Scott Rummell - Aquaman/Arthur Curry
 * Susan Eisenberg - Wonder Woman/Diana Prince
 * Tara Strong - Felicia, Black Canary/Dinah Lance
 * Vyvan Pham - Lisa

Trivia

 * While most of the voice actors reprise their roles of their respective Justice League characters in this episode, Cree Summer, who originally voiced Vixen in "Batman: The Brave and The Bold" and Tara Strong (who voiced the Black Canary in a MAD episode "Al Pacino and The Chipmunks/That's What Superfriends Are For") voice those characters as well.