
Very controversial TOPIC.
The Big Bang Theory Season 5, Episode 3

May I suggest it
as the TOPIC for your essay?
The Big Bang Theory Season 2, Episode 13

If we're going to change the TOPIC
from jellyfish...
The Big Bang Theory Season 6, Episode 20

All right. So the TOPIC at hand
is sexual fidelity.
The Big Bang Theory Season 5, Episode 7

Okay, the first question
is on the TOPIC of optics.
The Big Bang Theory Season 1, Episode 13