The real killer frost is the one that descends upon Barry and Cisco’s friendship. This stronger-than-average, Kevin Smith-directed episode highlights Caitlin’s newfound powers and instability, but also reveals Alchemy’s identity,1 reintroduces Kid Flash, and gives us a glimpse of Savitar’s powers.

I doubt Barry will be…

…out of a job for long but, really, with the abilities of S.T.A.R. Labs’ resident geniuses, why doesn’t he just collect a paycheque from them and be the Flash full-time? By rights, S.T.A.R. should be at the center of a technological revolution that would make their world look more like CW-DCU’s version of Earth-Two (minus the Art Deco designs).

1. Strongly foreShaded last week.