Big Bang Theory Quote
Sheldon: Mother.
(Knock-knock-knock)
Sheldon: Mother.
(Knock-knock-knock)
Sheldon: Mother.
(Knock-knock-knock)
Sheldon: Mother.
Mary Cooper: Shelly. I'm so glad you're here.
Sheldon: I saw you having naked sex.
Mary Cooper: What are you talking about?
Sheldon: Earlier I came here to surprise you. I looked in the window and I saw you with a man.
Mary Cooper: Oh, Shelly. I'm so sorry. Come in. Um. Maybe we should sit down and talk about this.
Sheldon: Can you recommend a surface you haven't had coitus on?
Mary Cooper: That's not funny. Maybe we should sit at the table.
Quote from S07E18 - The Mommy Observation