The fourth annual Free Night of Theater, a national effort to attract larger audiences to live theater, hits the Chicago area this October. Participating theater companies include Chicago Shakespeare Theater, the Neo-Futurists, Second City, Steppenwolf, Victory Gardens, Redmoon Theater (read Kerry Reid’s review of its current show here), and dozens more. Reservations (for a maximum two free tickets per show) start today. Go to the Free Night of Theater Web site here and click “Find a Show” to see the full list of productions and book your tickets.