The biannual ticket offer, running through March 9, allows patrons to purchase tickets to Off-Broadway productions 20 minutes prior to show time for $20. Among the Off-Broadway productions taking part in "20at20" are Altar Boyz, Awesome 80s Prom, Beebo Brinker Chronicles, Celia, Crimes of the Heart, Dai (enough), Fabulous Divas of Broadway, Forbidden Broadway, Gazillion Bubble Show, Hunting and Gathering, Jump, My First Time, My Mother's Italian, My Father's Jewish, and I'm in Therapy, Oroonoko, Parlour Song, Perfect Crime, The Quantum Eye, Sand, Secrets of a Soccer Mom, The Slug Bearers of Kayrol Island, Stomp, Straight Up With A Twist, Tim Minchin, Unconditional and Vita and Virginia.

Tickets must be purchased at the box office of the participating productions. Some box offices are cash only.

Visit www.20at20.com or phone (877) 420-2820 for a complete list of participating shows, venues and special offers.