HBO/YouTube HBO aired the first trailer for "True Detective" season three on Sunday night. The new season, its first since 2015, stars Oscar winner Mahershala Ali and takes place in the Ozarks. HBO aired the first trailer for season three of "True Detective" on Sunday night during the series finale of its summer miniseries, "Sharp Objects." The first season of "True Detective" premiered to high critical acclaim in 2014. The second season, which premiered in 2015, was highly anticipated but a huge disappointment to critics and audiences.