In order to save Wally, Barry ventures into the speed force on The Flash Season 3 Episode 16. But what horrors await him there? Watch the promo to find out!
When Wally starts having visions of Savitar during training, Barry worries he's been compromised on The Flash Season 3 Episode 15. A secret threatens Barry and Iris' happiness.
With Gypsy's help, Grodd leads his gorilla army to Earth-1 on The Flash Season 3 Episode 14. Will the three speedsters and their friends be enough to stop them?