Take one sip every time someone mentions “science” or “scientist”.
Take one sip every time Sheldon knocks on Penny’s door.
Take one sip every time Sheldon says “Bazinga!”
Take one sip every time Howard hits on a woman.
Take one sip every time Raj whispers to Howard or Leonard because he can’t talk to women.
Take one sip every time Sheldon corrects someone’s grammar or pronunciation.
Take one sip every time Leonard mentions his high IQ.
Take two sips every time Sheldon mentions “Soft Kitty”.
Take three sips every time the group plays a video game or board game.
Finish your drink if someone mentions “The Flash”.