Did I tell you our lab got a grant
to study ADDICTION?
The Big Bang Theory Season 4, Episode 20
He's one of the animals in my
department's nicotine ADDICTION study.
The Big Bang Theory Season 4, Episode 21
I've been doing research on ADDICTION...
The Big Bang Theory Season 1, Episode 10
...gambling ADDICTION
and sexually-transmitted diseases.
The Big Bang Theory Season 2, Episode 21
...with a slightly out-of-scale head
and a mild Dr. Pepper ADDICTION.
The Big Bang Theory Season 3, Episode 17