
- ...to The Flash playing tennis with himself?
- So funny.
The Big Bang Theory Season 2, Episode 6

- Not for long.
- I call dibs on the Golden Age Flash.
The Big Bang Theory Season 1, Episode 14

Well, news FLASH, lady:
David Underhill is 10 times smarter than me.
The Big Bang Theory Season 2, Episode 11

Because he's neither tall nor immortal,
and none of us could be the Flash.
The Big Bang Theory Season 1, Episode 6

I thought, "I can't decide
if I should watch The Flash TV show.
The Big Bang Theory Season 8, Episode 24