You know, these experiments
are pretty HARMLESS.
The Big Bang Theory Season 12, Episode 17
A little, but he's basically HARMLESS.
The Big Bang Theory Season 8, Episode 7
That's kind of an overreaction
to a little HARMLESS necrophilia.
The Big Bang Theory Season 2, Episode 1
It's probably HARMLESS.
The Big Bang Theory Season 6, Episode 8
I'm sure it was HARMLESS.
People flirt, no big deal.
The Big Bang Theory Season 9, Episode 14