9 p.m., Ottobar, 2549 N. Howard St., (410) 662-0069, theottobar.com, $12 (price increases day of show).
You know the rule: If it exists, there is a burlesque tribute to it. Or something like that. So of course there’s a Harry Potter burlesque show. And that’s fine by us; Voldemort never really showed enough skin in the movies. The Washington, D.C.-based burlesque troupe The Evil League of Ecdysiasts, who were responsible for the glorious tribute to Weird Al that came through Baltimore last year, among other geek-friendly revues, returns with this magical pasty-twirling homage to the Boy Who Lived.