The Big Bang Theory 12x18 Promo “The Laureate Accumulation“ (HD)

The Big Bang Theory 12x18 “The Laureate Accumulation“ Season 12 Episode 18 Promo - When competitors Pemberton (Sean Astin) and Campbell (Kal Penn) charm America on a publicity tour, Sheldon and Amy try to bring Nobel laureates Kip Thorne, George Smoot and Frances Arnold to their side. Also, Halley’s fear of the dark leads to opportunity and conflict for Howard, Bernadette and Stuart, on THE BIG BANG THEORY, Thursday, April 4th on CBS. Subscribe to tvpromosdb on Youtube for more The Big Bang Theory season 12