National Cinema Day kicks off Sunday with $4 tickets for all ages for all movies in all formats at all screening times at select theaters.Loveland’s two theaters Metropolitan Theatres’ MetroLux 12 Theatres + IMAX at Centerra, 6085 Sky Pond Drive and MetroLux Dine-In Theatres, 285 E. Third Street are participating in the event along with Cinemark Greeley Mall, 2160 Greeley Mall and other theaters across the northern Colorado region.