IMDB Rating: 8.4/10 from 542,476 votes
Director: Chuck Lorre
Synopsis: Watch The Big Bang Theory Season 12 Episode 18 online free. In The Big Bang Theory Season 12 Episode 18 Putlocker Full Episodes, Rivals Pemberton and Campbell charm America on a publicity tour so Sheldon and Amy try to win over Nobel laureates Kip Thorne, George Smoot and Frances Arnold. Halley's fear of the dark causes opportunity and conflict at the Wolowitz home.