Imperial Theatre Sarnia Imperial Theatre is a multi-purpose venue! Beautifully restored former movie house in Sarnia’s cultural district includes 612-seat balcony and main level seating, with performances by top Canadian, International & local entertainers. Open year-round. Please check Event Organizers Website and Social Platforms for ongoing details and updates. Subject to Covid-19 Protocol. Ontario Visited does NOT operate, organize, host, Read more...