Adult Swim is a late night time block on Cartoon Network between 8:00PM to 6:00AM. Adult Swim was started in 2001 as a time slot to show mature content not generally aired on Cartoon Network. While Toonami was created before Adult Swim it now part of the Saturday night line-up between 10:30PM to 6:00AM.
Thanks to the revival of Toonami on Adult Swim Sym-Bionic Titan reruns appeared alongside other canceled Cartoon Network shows like Thundercats (2011).