'Flash' Reveals Alchemy Identity in 'Killer Frost,' Sort Of
Excitement was already high for The Flash to return Kevin Smith behind the camera in an all-out “Killer Frost” hour, but few expected we’d get such an immediate clue to the identity of Season 3’s sub-big bad. Did “Killer Frost” finally reveal Dr. Alchemy’s identity, and if so, was it exactly who we thought?