
That's just CLASSIC.
The Big Bang Theory Season 1, Episode 15

Tonight we are playing the CLASSIC 1980
interactive text adventure, "Zork."
The Big Bang Theory Season 2, Episode 20

This is a CLASSIC example
of Münchausen's trilemma.
The Big Bang Theory Season 2, Episode 1

...and The Phantom Menace
would be a timeless CLASSIC.
The Big Bang Theory Season 4, Episode 4

Ergo, you would still have it.
This is a CLASSIC rookie time-travel mistake.
The Big Bang Theory Season 1, Episode 14