THEATER

THE LILY’S REVENGE If Busby Berkeley had dropped acid while watching “Pee-wee’s Playhouse,’’ this might have been the result. Cutesy and ham-handed though it is at times, Taylor Mac’s five-act, four-hour-plus extravaganza about a flower that wants to marry a human sweeps you up in its gaudy, irrepressible theatricality. Through Oct. 28. American Repertory Theater. At Oberon, Cambridge. 617-547-8300, www.americanrepertorytheater.org