Television News Stephen Hawking to guest star on CBS' 'The Big Bang Theory' sitcom 03/13/2012 British theoretical physicist and cosmologist Stephen Hawking is to guest star on the U.S. sitcom "The Big Bang Theory," CBS said Tuesday. Read More RELATED NEWS From Tokyo to Las Vegas: Taylor Swift's flight to Super Bowl LVIII'Chucky' Season 3 trailer released by USA Network and Syfy'Quantum Leap' Season 2 visits L.A. riots, Salem Witch Trials, and more TAGS: Jim Parsons Kaley Cuoco Bill Prady Johnny Galecki The Big Bang Theory
