On THE BIG BANG THEORY's upcoming episode, titled "The Love Spell Potential," when the girls' trip to Vegas falls through, the guys invite them to play Dungeons & Dragons, causing Sheldon and Amy's relationship to take an unexpected turn. Meanwhile, Koothrappali and Lucy Go On a very awkward date, on Thursday, May 9 (8:00 - 8:31 PM, ET/PT) on CBS.
Check out a first look below! Photos by: Monty Brinton/CBS

Kunal Nayyar, Kate Micucci

Johnny Galecki, Jim Parsons, Simon Helberg

Kunal Nayyar, Johnny Galecki, Jim Parsons, Simon Helberg

Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons

Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons Melissa Rauch, Simon Helberg

Johnny Galecki, Kaley Cuoco, Mayim Bialik, Jim Parsons Melissa Rauch, Simon Helberg

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