I n the "The Big Bang Theory" episode "The Celebration Experimentation" (February 25, 2016), Sheldon (Jim Parsons) is about ...

Missy Cooper, Sheldon’s twin sister, is portrayed by Courtney Henggeler. Courtney Healy Henggeler, born on December 11, 1978, in Phillipsburg, New Jersey, is an American actress known for portraying ...

The Big Bang Theory aired from 2007 ... Earlier in that same season, Sheldon is actually back in Texas once again — this time to be with his sister while she gives birth. Although he isn ...

Missy Cooper is Sheldon’s twin sister and is one of the memorable characters of The Big Bang Theory, especially after the release of The Young Sheldon. Her appearance in the show was limited, but it ...

The actor played Amy Farrah Fowler from season 3 to the finale of Big Bang, and she reprised the role occasionally in prequel series Young Sheldon. Given that the series would be set in the ...

Of course, Sheldon is the most eccentric character on The Big Bang Theory, and it’s his quirky personality that makes him a fan favorite. However, when you compare him to someone even more ...

Rylie Parman screamed in shock when she learned her twin sister is pregnant. Twin sisters in Wisconsin are proving there is no one more supportive than a twin, especially when they learn you're ...

Mayim Bialik has reunited with her The Big Bang Theory costar Melissa Rauch for an upcoming episode of NBC's Night Court on Tuesday, Jan. 14. While Bialik guest stars as a heightened version of ...