Lola Tung and Gavin Casalegno in 'The Summer I Turned Pretty' Erika Doss/Amazon Content Services LLC 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 Viewers are apparently showing up for the final summer of The Summer I Turned Pretty. The third and final season of Prime Video's YA series attracted 25 million worldwide viewers in the week after its July 16 premiere, the Amazon-owned streamer says.