
Please, fright depends
on an ELEMENT of surprise.
The Big Bang Theory Season 5, Episode 7

The ELEMENT was found
because of you,
The Big Bang Theory Season 7, Episode 6

this ELEMENT by mistake.
The Big Bang Theory Season 7, Episode 10

Leonard disproved my ELEMENT.
The Big Bang Theory Season 7, Episode 10

Okay. Uh, I'll say an ELEMENT
and, uh, you say an ELEMENT...
The Big Bang Theory Season 2, Episode 5