ATSUSHI NISHIJIMA, SHOWTIME/PHOTODavid Sweat (Paul Dano) crawls to freedom out a manhole in episode five of the Showtime limited series "Escape at Dannemora." The final episode of the series based on the 2015 escape of Sweat and inmate Richard Matt from Clinton Correctional Facility airs on Showtime at 10 p.m. tonight.