Feeling overwhelmed with all the changes since Crisis, Barry conducts an experiment that goes awry and puts him directly in Gorilla Grodd's path; Iris works with Eva to escape the Mirrorverse.
Stars: Grant Gustin, Candice Patton, Danielle Panabaker
Director(s): Stefan Pleszczynski
Writer(s): Greg Berlanti, Andrew Kreisberg, Geoff Johns