Editor's Note: This post was originally published in March 2022 and has been updated for comprehensiveness. It’s impossible to tell the story of action cartoons in the US without mentioning Toonami.

IGPX: Immortal Grand Prix was a milestone for Toonami that marked their start into original programming and has left behind an unusual legacy.

A classic action anime series is finally going to be airing new episodes with Toonami over a decade after its original premiere. Adult Swim’s Toonami programming block shuffles around its offerings ...