May 19, 2018
Warner Bros. Home Entertainment will release The Flash: The Complete Fourth Season on DVD and Blu-ray Aug. 28 (order date July 24).
The discs include 23 episodes, plus featurettes “The Elongated Man,” “Flash Time on Amunet Black with Katee, Eric and Sterling,” “The Fastest Mind Alive: The Thinker,” “The Best of DC TV’s Comic-Con Panels San Diego 2017” and “Inside the Crossover: Crisis on Earth-X,” which delves into the four-part crossover event with “Supergirl,” “Arrow” and “Legends of Tomorrow.”
The four-disc Blu-ray version will also include the crossover episodes from the three other series. The Blu-ray also includes a digital copy and DTS-HD Master Audio for English 5.1.