Teen Titans [Robin [Dick Grayson]; Kid Flash [Wally West]; Wonder Girl [Donna Troy]; Speedy [Roy Harper]; Hawk [Hank Hall]; Dove [Don Hall]; Lilith (intro, joins)]; Dr. Arthur Swenson; Justice League of America [Superman [Clark Kent]; Green Lantern [Hal Jordan]; Flash [Barry Allen]; Batman [Bruce Wayne]; Aquaman; Green Arrow [Oliver Queen]]; Mr. Jupiter; Angel (robot)
Synopsis
When a riot erupts at a peace conference, the Titans try to quell the mob but Dr. Swenson, winner of a Nobel Peace Prize, is shot and killed. The Justice League of America confront the Titans, and the Titans decide to join Mr. Jupiter's program and forsake their super powers.