SHOWTIME has announced the summer premiere dates for two of its hit series: Season five of RAY DONOVAN will debut Sunday, August 6 at 9 p.m. ET/PT, and EPISODES will return for its fifth and final season Sunday, August 20 at 10 p.m. ET/PT. Additionally, the new limited event series TWIN PEAKS will move to 8 p.m. ET/PT on Sunday nights beginning Sunday, August 6.