This is a CLASSIC example
of Münchausen's trilemma.
The Big Bang Theory Season 2, Episode 1
Would you like to hear a CLASSIC
Sheldon Cooper factoid?
The Big Bang Theory Season 6, Episode 24
Ergo, you would still have it.
This is a CLASSIC rookie time-travel mistake.
The Big Bang Theory Season 1, Episode 14
...our PS2, our PS3, our Xbox,
our Xbox 360, our CLASSIC Nintendo...
The Big Bang Theory Season 3, Episode 13
...that lets you play CLASSIC text-based
computer games from the 1980s.
The Big Bang Theory Season 4, Episode 6