HBO is the channel that The Night Of is on.
Home Box Office ( HBO ) is an American premium cable and satellite television network that is owned by Time Warner through its respective flagship company Home Box Office , Inc. . It launched the streaming service HBO Now in April 2015 and has over 2 million subscribers in the United States as of February 2017 . The Night Of is an American eight-part crime drama television miniseries based on Criminal Justice , a 2008 -- 09 British television series . The first episode premiered on June 24 , 2016 , via HBO on-demand .