- Not even a COZY sleeper car--
- Stop talking about trains!
The Big Bang Theory Season 10, Episode 11
All COZY wozy.
The Big Bang Theory Season 7, Episode 15
Sheldon Cooper does not do COZY.
The Big Bang Theory Season 6, Episode 20
Ooh! That sounds COZY.
The Big Bang Theory Season 9, Episode 20
...and Fort Cozy McBlanket.
The Big Bang Theory Season 8, Episode 20