Unraveling the Mystery: A Big Bang Farewell (2019) (movie): Johnny Galecki and Kaley Cuoco host a retrospective look at The Big Bang Theory (2007), sharing backstage secrets, unforgettable clips, personal memories, favorite moments and tours of the iconic sets. Discover the latest Discussions, Reviews, Quotes, Theories, Explanations and Analysis of Unraveling the Mystery: A Big Bang Farewell (2019) below