Hey, here's another possible TOPIC
of conversation.
The Big Bang Theory Season 4, Episode 1
Oh, and on the TOPIC
of sharing things that are yours...
The Big Bang Theory Season 8, Episode 7
Oh, my, that's an uncomfortable TOPIC.
The Big Bang Theory Season 6, Episode 23
All right. So the TOPIC at hand
is sexual fidelity.
The Big Bang Theory Season 5, Episode 7
Okay, new salon TOPIC.
The Big Bang Theory Season 8, Episode 18