
I need to focus all
my ENERGY on it.
The Big Bang Theory Season 7, Episode 13

angular momentum, potential ENERGY
and kinetic ENERGY.
The Big Bang Theory Season 10, Episode 16

Well, now I'm filled with
all this nervous ENERGY.
The Big Bang Theory Season 12, Episode 13

Yeah, Department of Energy said
our regular space is kind of a hot zone.
The Big Bang Theory Season 1, Episode 5

So, tell me about
your scalar dark ENERGY experiment.
The Big Bang Theory Season 10, Episode 24