In the trailer for DTF St. Louis, Clark (Jason Bateman) introduces his friend and co-worker, Floyd (David Harbour), to a dating app that leads to intrigue, experimentation, and death. When does DTF St. Louis premiere? HBO‘s forthcoming original limited series, DTF St. Louis, hails from Steven Conrad (Patriot). DTF St. Louis (the DTF stands for “Down to F***,” obviously) centers on a love triangle among middle-aged adults confronting a lack of spice in their lives. What do you think of HBO’s DTF St. Louis trailer?