Liz Canner’s astounding and yet amusing documentary ‘Orgasm, Inc.,’ which examines the attempt of pharmaceutical companies to take advantage of women’s desire to orgasm to sell perhaps ineffective and possibly dangerous medications, plays at Roxie Theater. Opening reception with Canner takes place at Good Vibrations on April 2 and a panelist discussion featuring Dr. Carol Queen follows an April 4 showing. More at roxie.com.