
...the success or failure of the date would
be based on the biochemical REACTION...
The Big Bang Theory Season 1, Episode 3

Yeah, my initial REACTION is no.
The Big Bang Theory Season 2, Episode 22

I guess I was hoping for a
different REACTION, but okay.
The Big Bang Theory Season 5, Episode 19

This isn't the REACTION
I expected
The Big Bang Theory Season 5, Episode 5