He's gonna go through that
ACTIVITY book in, like, 30 seconds, so...
The Big Bang Theory Season 6, Episode 24
...is a complex socio-economic ACTIVITY...
The Big Bang Theory Season 3, Episode 3
It's interesting but isn't ventriloquism
by definition a solo ACTIVITY?
The Big Bang Theory Season 2, Episode 13
I'm tracking a subject's
brain ACTIVITY
The Big Bang Theory Season 12, Episode 5
It's odd how the ACTIVITY
brings back the smell of Kmart bourbon.
The Big Bang Theory Season 4, Episode 20