
It's probably HARMLESS.
The Big Bang Theory Season 6, Episode 8

It was a HARMLESS
Halloween prank. Look.
The Big Bang Theory Season 5, Episode 7

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

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

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