These moments made such a big bang that nobody could keep a straight face. For this list, well be looking at those times when the Big Bang actors broke character - whether it made it to air or ended up in the blooper reel. Our countdown includes camera in comic book store, Pennys feet, Howards Al Pacino impression, and more! Which of these crack-up moments was YOUR favorite? Leave us a comment below!

Watch more great TBBT videos here:
Top 10 Best The Big Bang Theory Rivalries - https://youtu.be/D4G-mEyPGpg
Top 10 Funniest Kaley Cuoco Bloopers on The Big Bang Theory - https://youtu.be/GF-OXfcDEeA
Top 10 Times Sheldon Was the Best Character on The Big Bang Theory - https://youtu.be/Qe7939fYetw

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