The Flash Season 8, Episode 19 delivered a deadly surprise for fans as Eobard Thawne (played by Tom Cavanagh) appeared to cause the death of Iris West-Allen (Candice Patton) at the hands of Barry ...

Next week, Barry and Iris switch jobs for a day when a new meta accidentally scrambles their DNA, leaving Iris as Central City's new Flash. Come check out the new promo for the next episode now!

The reveal of Iris West-Allen's costume when she takes a turn as a speedster on The Flash may hold clues to another of this season's mysteries.