American Stage and Suncoast AIDS Theatre Project present their fourth annual Night of Alternative Theatre, Prelude to Pride. This year's production is a series of comic sketches that revolve around a group of colorful, coming-of-age characters whose sexual identities are thrown into turmoil when a mysterious stranger appears in their bohemian midst. Proceeds benefit Aids Service Association of Pinellas (ASAP). 7:30 p.m., American Stage, 211 Third St. S., St. Petersburg, $15, 727-823-7529, americanstage.org.