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My "mirth." Classic.
The Big Bang Theory Season 4, Episode 23

Welcome to another CLASSIC
The Big Bang Theory Season 7, Episode 18

...that lets you play CLASSIC text-based
computer games from the 1980s.
The Big Bang Theory Season 4, Episode 6
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This is a classic rookie time-travel mistake.
Ergo, you would still have it.
This is a classic rookie time-travel mistake."
Ergo, you would still have it.
This is a CLASSIC rookie time-travel mistake.
The Big Bang Theory Season 1, Episode 14
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Nice. A classic rabbit name."
Nice. A CLASSIC rabbit name.
The Big Bang Theory Season 9, Episode 15