Ethan Hawke stars as abolitionist John Brown in this humorous and dramatic limited series based on James McBride’s acclaimed novel. It’s told from the point of view of “Onion,” a fictional enslaved boy who becomes a member of Brown’s motley family of abolitionist soldiers battling slavery in Kansas, and eventually finds himself in the famous 1859 Army depot raid at Harpers Ferry. (Aug. 9, Showtime).

ENTER-TV-SUMMER-PREVIEW-2-MCT

From left, Joshua Caleb Johnson as Onion and Ethan Hawke as John Brown in "The Good Lord Bird." (William Gray/Showtime/TNS)