Amy asks Sheldon if they are ever going to have an intimate relationship and then they end up playing private D&D.
The girls join in on a game of Dungeons and Dragons for the very first time on The Big Bang Theory. "The Love Spell Potential" is the 23rd episode of the show's sixth season.

The Big Bang Theory Season 6 Episode 23 Quotes

We have a new rule if no one talks for three minutes you can just hang up. I'm so into her.


Penny: Vegas here we come.
Bernadette: No husbands. No boyfriends. No rules
Amy: No rules. We're not going to get drunk and have a six-way with the Blue Man Group, are we?
Penny: No.
Amy: So there are some rules.
Bernadette: Okay. No husbands. No boyfriends. Some rules.
Amy: Thank you. VEGAS!