
You know, these experiments
are pretty HARMLESS.
The Big Bang Theory Season 12, Episode 17

I'm just a HARMLESS little girl
with military grade spy equipment.
The Big Bang Theory Season 9, Episode 8

That's kind of an overreaction
to a little HARMLESS necrophilia.
The Big Bang Theory Season 2, Episode 1

A little, but he's basically HARMLESS.
The Big Bang Theory Season 8, Episode 7

Are you saying that I am forbidden
from applying a HARMLESS...
The Big Bang Theory Season 3, Episode 3