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

Please. Every time the TOPIC of change comes
up you throw Zachary Quinto in my face.
The Big Bang Theory Season 6, Episode 23

- New TOPIC.
- Mm.
The Big Bang Theory Season 2, Episode 9

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

New TOPIC, please.
The Big Bang Theory Season 2, Episode 19