Iris is alarmed by Barry's disappearance and Cecile assures her everything will be ok, but does she know that for certain? Team Flash is affected by a mysterious substance and Khione develops a better understanding of what she can and cannot control.
| Creator | Geoff Johns |
|---|---|
| Actor | Grant Gustin, Candice Patton, Danielle Panabaker |
| Country | United States of America |
| Production | Warner Bros. Television |