The third season was inspired by the third novel in the Hap and Leonard series, titled The Two-Bear Mambo.

[8][9] Filming of the show took place in Baton Rouge, Louisiana,[16] although the series is set in 1980s in the fictional town of LaBorde in East Texas.

[7] The second episode, "Ho-Ho Mambo" was released online at AMC.com and Sundancetv.com a week before the scheduled March 14 on-air premiere.

On Rotten Tomatoes season 1 has an approval rating of 88% based on reviews from 24 critics.

[35] A collection called Hap and Leonard made up of previously published short stories (Hyenas, Veil’s Visit, Dead Aim) by Joe Lansdale as well as new content was published by Tachyon Publications in March 2016 as a tie-in to the TV series.