'Griffin in Summer' Courtesy of Vertical Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment The coming-of-age feature Griffin in Summer has landed a theatrical release in an appropriate season. Writer-director Nicholas Colia's film that debuted at the Tribeca Film Festival is set to hit theaters Aug. 29 from Vertical, The Hollywood Reporter has learned exclusively.