Yeah! Natural selection at work.
The Big Bang Theory Season 1, Episode 15
Just takin' in
the NATURAL splendor.
Westworld Season 2, Episode 9
It's only NATURAL.
The Big Bang Theory Season 12, Episode 12
...but that's the NATURAL reaction
of the limbic system...
The Big Bang Theory Season 3, Episode 11
Whole lot of NATURAL light.
Breaking Bad Season 4, Episode 3