Brigsby Bear , which premiered on July 26 , 2017 , in New York , received more than 109 reviews on Rotten Tomatoes .
It premiered in New York on July 26 , 2017 and was started its theatrical run on July 28 , 2017. On Rotten Tomatoes , the film has an approval rating of 80 % , based on 110 reviews , with an average rating of 6.6/10 .