Romulans
From The Big Bang Theory Wiki
A fictional race from the Star Trek universe. They were thought to be the counterpart to the logical, self-controlled Vulcans whose most favourite representative is Spock.
For further information, see the Wikipedia entry http://en.wikipedia.org/wiki/Romulan.
References in the show:
- Sheldon remembers that captain Kirk steals a cloaking device from the Romulans in the episode The Nerdvana Annihilation.
- Leonard and Sheldon think Penny speaks in the Romulan language when she asks them a trivia question at the end of The Bat Jar Conjecture.