When does Young Person's Guide to History return?

Adult Swim is an American adult-oriented television programming block that airs during the evening, prime time, and late-night dayparts. Launched on September 2, 2001, Adult Swim has frequently aired animated sitcoms, adult animation features, parody, satire, mockumentaries, sketch comedy, and pilots. Adult Swim operates a video game division known as Adult Swim Games, which started publishing indie games not based on the block's original programming in 2011.