enthusiastic participation
from me regarding my DISCOVERY.
The Big Bang Theory Season 7, Episode 10
gravity wave DISCOVERY,
the more excited I get.
The Big Bang Theory Season 7, Episode 20
Anyway, because of my DISCOVERY...
The Big Bang Theory Season 2, Episode 4
You know the new Discovery class missions
NASA's been working on?
The Big Bang Theory Season 8, Episode 21
...and make the oh-so-satisfying journey
from DISCOVERY to desire to possession.
The Big Bang Theory Season 3, Episode 5