The Big Bang Theory, Season 9

Mary:
So Alfred, what is it that you do for a living?

Alfred Hofstadter:
Oh, I'm an anthropologist. I study ancient peoples and cultures.

Mary:
My goodness, so all the way back to the Flood.

[Alfred laughs]

Sheldon:
Don't laugh. She wasn't joking.

Amy:
Play with your phone.

Alfred:
Well, on that note there are many cultures that have an apocalyptic flood as a part of their mythology.

Mary:
I don't have a mythology. I have the unerring Word of God. But that's very interesting.

Alfred:
Oh. I don't mean to disparage your faith. Actually I admire it.

Mary:
Really?

Alfred:
Yes, I'm an agnostic myself, but I prayed, many times, to God to turn my wife into a pillar of salt.

Mary:
Well, he came close. Turned her into a giant block of ice.