AUGUST 8 TO 29 Soulpepper Theatre Company’s revival of the 1978 musical Billy Bishop Goes to War stars both of its creators John Gray and Eric Peterson. This high-flying tale about a World War I fighter pilot sees Peterson—best known for his role on the popular television comedy Corner Gas—perform 18 different roles! Young Centre for the Performing Arts, Monday to Saturday 8 p.m., Wednesday and Saturday 2 p.m., $28 to $45; call 416-866-8666 to buy.