And a funny Greek letter.
The Big Bang Theory Season 5, Episode 16
Leonard, you hate Greek food.
The Big Bang Theory Season 4, Episode 21
Well, this is Greek food.
The Big Bang Theory Season 4, Episode 21
comes from the
Greek word...
The Big Bang Theory Season 12, Episode 6
...like a tiny Jewish Greek god.
The Big Bang Theory Season 6, Episode 1