
maybe twice in a GENERATION.
The Big Bang Theory Season 5, Episode 6

You keep quoting Wrath of Khan,
but he was in Next Generation.
The Big Bang Theory Season 3, Episode 5

to a GENERATION of young women.
The Big Bang Theory Season 12, Episode 19

Star Trek trivia, Star Trek:
Next Generation trivia,
The Big Bang Theory Season 5, Episode 17

maybe twice in a GENERATION.
The Big Bang Theory Season 5, Episode 6