Flash: Harry and the Harrisons

"Harry and the Harrisons" is the twenty-first episode of season four of the live-action superhero action series The Flash and the seventy-fifth episode of the series overall. It was directed by Brent Crowell with a teleplay written by Jonathan Butler and Gabriel Garza. It first aired on the CW Network on Tuesday, May 1st, 2018 at 8:00 pm.