Will Raj's scavenger hunt bring out the best or worst in Sheldon and Penny on The Big Bang Theory? "The Scavenger Vortex" is the third episode of the show's seventh season.
Sheldon: I'll have a diet Coke. Penny: Can you please order a cocktail? I need to practice mixing drinks. Sheldon: Fine... I'll have a virgin Cuba Libre. Penny: That's... rum and Coke without the rum. Sheldon: Yes, and would you make it diet?