
...on MOLECULAR positronium
given by Dr. Emil Farmanfarmian.
The Big Bang Theory Season 1, Episode 10

...and destroy the MOLECULAR bonds
that bind your very matter together...
The Big Bang Theory Season 1, Episode 13

How about a MOLECULAR sieve?
The Big Bang Theory Season 2, Episode 18

Don't rush it. We may be dealing
with befoulment on a MOLECULAR level.
The Big Bang Theory Season 6, Episode 9

...on MOLECULAR positronium.
The Big Bang Theory Season 1, Episode 10