Adult Swim Checkered Past, the formerly cancelled block of Cartoon Network classics, has made its surprise to return to Adult Swim heading into the new year. Checkered Past has been one of the coolest experiments seen with Adult Swim in some time. As Cartoon Network continues to change its broadcast schedule and expanded the time slot for […] The post Cancelled Cartoon Network Classics Block Makes Surprise Return to Adult Swim appeared first on ComicBook.com .