In honor of TWIN PEAKS Day, SHOWTIME has released dual posters for the new limited series, which will debut with a two-part premiere on Sunday, May 21 at 9 p.m. ET/PT on air, on demand and over the internet. One poster depicts Laura Palmer (Sheryl Lee), whose mysterious death sparked the TWIN PEAKS saga, while the other showcases series star Kyle MacLachlan as Special Agent Dale Cooper.