When does The Underground Railroad return?

The Underground Railroad is an American historical drama streaming television limited series created and directed by Barry Jenkins based on the 2016 novel of the same name by Colson Whitehead. The series premiered on Amazon Prime Video on May 14, 2021. In the novel and the series, it is an actual railroad complete with engineers, conductors, tracks, and tunnels. In reality, "The Underground Railroad" was a network of abolitionists, hidden routes, and safe houses that helped enslaved African-Americans escape to freedom.
In reality, "The Underground Railroad" was a network of abolitionists, hidden routes, and safe houses that helped enslaved African-Americans escape to freedom in the early to mid-1800s. In the novel and the series, it is an actual railroad complete with engineers, conductors, tracks, and tunnels. Cora, an enslaved woman from Georgia, joins newcomer Caesar to ride the subterranean train to freedom.