Washington National Opera continues its partnership with the Washington Nationals with a presentation of Aida on Saturday, September 23, 2017 at Nationals Park. Gates will open at 5 p.m. for pre-opera activities for the entire family, and the opera will be broadcast live from the Kennedy Center Opera House to the high-definition NatsHD scoreboard at 7 p.m. Free seating will be available on the outfield grass (weather permitting) and in the stands.