
You don't need an Iron Man HELMET.
You're not Iron Man.
The Big Bang Theory Season 6, Episode 9

You still have to wear a HELMET.
The Big Bang Theory Season 1, Episode 15

Give me back my Iron Man HELMET.
The Big Bang Theory Season 6, Episode 9

Oh, the HELMET will sense that
and stop the experiment.
The Big Bang Theory Season 12, Episode 5

I need an extractor HELMET.
Westworld Season 2, Episode 7