He says it's the next big thing
for social anxiety DISORDER.
The Big Bang Theory Season 4, Episode 22
Excuse me, I have selective mutism,
a recognized medical DISORDER.
The Big Bang Theory Season 3, Episode 6
It's what we think caused
your narcissistic-personality DISORDER.
The Big Bang Theory Season 3, Episode 11
symptomatic of obsessive/
compulsive DISORDER?
The Big Bang Theory Season 5, Episode 2
- And his obsessive-compulsive DISORDER.
- Yeah, that, too.
The Big Bang Theory Season 9, Episode 18