Big Bang Theory

Big Bang Theory most commonly refers to:


 * The Big Bang, a cosmological model of the universe
 * The Big Bang Theory, an American TV sitcom

It may also refer to:

Music

 * "The History of Everything", AKA the theme from The Big Bang Theory, a song by 2007 Barenaked Ladies
 * Big Bang Theory (Billy Bang album) (2000)
 * Big Bang Theory (Styx album) (2005)
 * Big Bang Theory (Harem Scarem album) (1998)

Television episodes

 * "Big Bang Theory", Casualty series 20, episode 11 (2005)
 * "Big Bang Theory", Hero High episode 23 (1982)
 * "Big Bang Theory", NYPD Blue season 6, episode 11 (1999)
 * "The Big Bang Theory", Family Guy season 9, episode 16 (2011)
 * "The Big Bang Theory", Good Grief episode 12 (1991)
 * "The Big Bang Theory", My Wife and Kids season 3, episode 24 (2003)
 * "The Big Bang Theory", The Little Couple season 1, episode 12 (2009)
 * "The Big Bang Theory", Tyler Perry's House of Payne season 2, episode 52 (2008)