
And how you threw up
in zero GRAVITY,
The Big Bang Theory Season 7, Episode 16

Unless you have Gravity
on Blu-ray under that skirt,
The Big Bang Theory Season 7, Episode 21

Yeah... and the craziest part
is, because there's no GRAVITY,
The Big Bang Theory Season 5, Episode 18

Oh, GRAVITY, thou art a heatless bitch.
The Big Bang Theory Season 1, Episode 2

Well, as long as it has a healthy GRAVITY
and all its moons, I'll be happy.
The Big Bang Theory Season 9, Episode 12