The Big Bang Theory Season 4, Episode 18

Hey, I think I know how you did the card trick.

The Big Bang Theory Season 6, Episode 19

Oh, and it was a "Far Side" card...

Breaking Bad Season 5, Episode 10

Or won it in a card game, maybe. That's it. Won it in a card game.

The Big Bang Theory Season 2, Episode 23

Wine, a credit card and late-night television are a bad combination?

Breaking Bad Season 4, Episode 2

You know, store clerks, card gamers and such.