
All right, so
this PARTICLE here
The Big Bang Theory Season 5, Episode 21

"Higgs boson PARTICLE."
How could you not get that?
The Big Bang Theory Season 3, Episode 13

You'd be surprised how many
PARTICLE physicists have a whimsical side.
The Big Bang Theory Season 2, Episode 13

inventing a new
dark matter PARTICLE
The Big Bang Theory Season 11, Episode 13

to isolate the Higgs
boson PARTICLE.
The Big Bang Theory Season 5, Episode 4