They continue from last week’s episode. Barry trips and falls while running from a nuclear explosion, so of course his mask fell off.
Dr. Snow – “There’s no telling how much radiation we were exposed to.”
Dr. Wells – “There’s no radiation.”
They cleared that up so fast I couldn’t make fun of it.
I guess the two separated, but still exploded.
They find both of their bodies, and besides having a few rips on Ronnie’s shirt, both of them are fine. Stein is fully clothed and has his glasses intact after the demerging.