Big Bang Theory Quote
Penny: (knock knock knock) Sheldon?
Penny: (knock knock knock) Sheldon?
Penny: (knock knock knock) Sheldon?
Sheldon: (opens door) It's annoying when you do it.
Quote from S11E13 - The Solo Oscillation
Penny: (knock knock knock) Sheldon?
Penny: (knock knock knock) Sheldon?
Penny: (knock knock knock) Sheldon?
Sheldon: (opens door) It's annoying when you do it.
Quote from S11E13 - The Solo Oscillation