THE BIG BANG THEORY Season 5 Episode 20 The Transporter Malfunction Promo : “The Transporter Malfunction” – Penny buys Leonard and Sheldon “Star Trek” collectibles as a thank-you, leading Sheldon to be haunted by Mr. Spock. Meanwhile, Raj decides he has met the “Future Mrs. Koothrappali” after his parents set him up on a date, on THE BIG BANG THEORY, Thursday, March 29 (8:00-8:31 PM, ET/PT) on the CBS Television Network. “Star Trek” legend Leonard Nimoy voices Mr. Spock.
