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 join forces with the Justice League to help defeat Darkseid.

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
 * Alan Tudyk - Green Arrow/Oliver Queen
 * 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
 * John DiMaggio - Aquaman/Arthur Curry
 * Kari Wahlgren - Ella
 * Kate Micucci - Inidra
 * Kevin Conroy - Batman/Bruce Wayne
 * Kimberly Brooks - Sheila
 * 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
 * Susan Eisenberg - Wonder Woman/Diana Prince
 * Tara Strong - Felicia, Black Canary/Dinah Lance
 * Vyvan Pham - Lisa

Trivia

 * Cree Summer reprises Vixen out of "Batman: The Brave & The Bold" for this episode along with John Dimaggio as Aquaman
 * Also for this episode, Tara Strong reprises Black Canary out of the MAD segment "That's What Superfriends Are For".