And how you threw up
in zero GRAVITY,
The Big Bang Theory Season 7, Episode 16
...for this university's
six-loop quantum GRAVITY calculations.
The Big Bang Theory Season 6, Episode 9
Besides disrupting the local GRAVITY field.
The Big Bang Theory Season 1, Episode 6
And, of course, it's Gravity Probe B.
The Big Bang Theory Season 1, Episode 13
Ah, GRAVITY--
thou art a heartless bitch.
The Big Bang Theory Season 12, Episode 24