...but that's the natural REACTION
of the limbic system...
The Big Bang Theory Season 3, Episode 11
My friend
is having allergic REACTION to peanuts.
The Big Bang Theory Season 1, Episode 16
...the success or failure of the date would
be based on the biochemical REACTION...
The Big Bang Theory Season 1, Episode 3
Leonard, what if you have
an allergic REACTION...
The Big Bang Theory Season 8, Episode 9
...or drinking coffee while driving
reduces one's REACTION time...
The Big Bang Theory Season 2, Episode 5