Last summer, HBO revealed that Andy Samberg and Game of Thrones’ Kit Harington had signed on to star in a tennis mockumentary called 7 Days in Hell, and now the special has a premiere date and teaser. Samberg and Harington play rival tennis players Aaron Williams and Charles Poole, and Fred Armisen, Lena Dunham, Will Forte, Karen Gillan, Howie Mandel, Soledad O’Brien, Michael Sheen, Mary Steenburgen, and June Squibb will round out the cast. It debuts on HBO Saturday, July 11th at 10:00pm.