READ MORE: Watch: 'Last Week Tonight with John Oliver' Prepares for the Apocalypse With Help From Martin Sheen Not surprisingly, satirical newsman and "Last Week Tonight" host John Oliver enjoys documentaries more than scripted television series. In the clip above, the "Daily Show" alum uses his amazing powers of persuasion to convince viewers to sign up for HBO NOW, this time by creating a playlist of his favorite documentaries in a new ad spot. The list includes HBO docs such as "Gideon's Army," which follows public defenders in the American criminal justice system, "Terror At The Mall," which covers a terrorist attack at a mall in Kenya, and of course, the infamous documentary "Going Clear: Scientology and the Prison of Belief" which premiered on HBO in March 2015.