Ruby

Superman is a 1988 animated Saturday morning television series produced by Ruby-Spears Productions and Warner Bros. Television that aired on CBS featuring the DC Comics superhero of the same name. Veteran comic book writer Marv Wolfman was the head story editor, and noted comic book artist Gil Kane provided character designs.

Gwen has just discovered, that she's the final member of the secret time-traveling Circle of Twelve. Now she has to juggle with constant trips to the past, her relationships with Gideon and figuring out dark secrets surrounding the Circle.