
Howard, don't embarrass yourself.
The science chirps for ITSELF.
The Big Bang Theory Season 3, Episode 2

...not the validity of the field ITSELF.
The Big Bang Theory Season 3, Episode 7

Right, a ball of hot, flaming gas
that collapses upon ITSELF.
The Big Bang Theory Season 2, Episode 4

You know, that dark matter
isn't gonna detect ITSELF.
The Big Bang Theory Season 2, Episode 11

the this, the that.
Not to mention the chemo ITSELF.
Breaking Bad Season 2, Episode 3