Plot: When an experiment to save Barry’s speed backfires, Nash Wells searches for a way to save The Flash and comes up with a dangerous plan. Meanwhile, Iris makes a startling realization inside the Mirrorverse and Cecile faces off with Rosa Dillon.
Season Number: 7
Episode Number: 1
Episode Title: All’s Wells That Ends Well
Air Date: Mar 2, 2021
Source: The.Flash.2014.S07E01.iNTERNAL.720p.WEB.h264-HILLARY
