A lady hops up and finds her bloomers down, a fashion faux pas that sets this comedy of errors in motion. Underpants humor may seem a bit Benny Hill, but Steve Martin gives wardrobe malfunctions a sophisticated makeover in The Underpants, an adaptation of Carl Sternheim’s 1910 play of the same name. Expect kings, courtship, and, of course, underpants. —C.J.F.