Loading view. There are no upcoming events. There are no upcoming events. Events Theater O Theater O 25 State Street Ossining NY 10562 Ossining, NY 10562 United States Get Directions 914.487.4322 http://www.theatero.org/ Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file