The CW’s The Flash season four episode 21 found Team Flash turning to an unlikely source for help in battling DeVoe. Amunet put in an appearance and before taking off to save herself, she handed the team a weapon to use against The Thinker. She also told Caitlin that the power to bring out Killer Frost lies within her.
Up next, season four episode 22 titled “Think Fast” airing on May 15, 2018. Episode 22 was directed by Viet Nguyen from a script by Sam Chalsen and Kristen Kim.
The Flash season four cast includes Grant Gustin as Barry Allen/The Flash, Tom Cavanagh as Harrison Wells, Danielle Panabaker as Caitlin Snow, Carlos Valdes as Cisco, Candice Patton as Iris West, and Jesse L Martin as Joe West. Hartley Sawyer guest stars as Ralph Dibny.
The “Think Fast” Plot: DAVID RAMSEY GUEST STARS — When DeVoe assaults an A.R.G.U.S. facility to complete his Enlightenment Machine, Barry (Gustin) realizes the only way he can stop him is if he allows Cisco (Valdes) and Caitlin (Panabaker) to accompany him into the facility. Still shaken by Ralph’s death, Barry isn’t sure he wants to risk any more of his friends’ lives and considers taking on DeVoe solo.
