
...because we were attending a symposium
on MOLECULAR positronium?
The Big Bang Theory Season 1, Episode 10

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

I am making MOLECULAR cocktails.
The Big Bang Theory Season 8, Episode 21

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

Okay, this cereal
has lost all its MOLECULAR integrity.
The Big Bang Theory Season 1, Episode 7