Question: What is the release date for flash season 4?
qaPairs: question: What is the release date for the network release of Flash season 4?
answer: October 10, 2017
question: What is the release date for the Flash season 4 on Blue Ray?
answer: August 28, 2018
question: What is the release date for the  Flash season 4 on Netflix?
answer: Late May 2018