Denise: We know about the accident in the lab and the bolt of lightning.
Stuart: Actually, this version of the Flash gained his super speed by inhaling radioactive vapors while taking a smoke break.
Bert: Smoking and running? Really, Jay?
Jay Garrick / The Flash: Well, it was a different time. [hesitates] I mean, I'm not the Flash.
Amy Farrah Fowler: [sighs] Just let 'em in.
Bert: Smell that? I think he still smokes.