Warren Miller's Wintervention, a skiing and snowboarding film narrated by Jonny Moseley, screens at 8 p.m., Saturday, Dec. 4. $20; or $19 per person for groups of 12 or more. Tickets include free lift tickets to Arizona Snowbowl and the Canyons. Call 745-4514 or 547-3040 for tickets. Visit www.skinet.com/warrenmiller/events/az for more information.