![TV-Shows-That-Have-Hit-100-More-Episodes-Over-Years-002](/wp-content/uploads/2021/12/TV-Shows-That-Have-Hit-100-More-Episodes-Over-Years-004.jpg?crop=0px%2C0px%2C900px%2C509px&resize=600%2C338&quality=86&strip=all)
The Big Bang Theory
American sitcom The Big Bang Theory centers around friends Leonard Hofstadter (Johnny Galecki), Sheldon Cooper (Jim Parsons), Penny Teller (Kaley Cuoco), Howard Wolowitz (Simon Helberg) and Raj Koothrappali (Kunal Nayyar). Supporting characters Amy Farrah Fowler (Mayim Bialik), Bernadette Rostenkowski (Melissa Rauch) and Stuart Bloom (Kevin Sussman) were promoted to main roles throughout the series.
With four of the main characters being scientists, the series has featured famous guest stars including astrophysicist and Nobel laureate George Smoot, chemical engineer and Nobel laureate Frances Arnold, cosmologist Stephen Hawking and Bill Nye.
The sitcom aired on CBS from 2007 to 2019 with a total of 12 seasons. It received four Emmy nominations for Outstanding Comedy Series, and Parsons won four Emmys for his performance on the show. A spinoff series centered around Parsons’ character titled Young Sheldon debuted in 2017 and features Parsons narrating as adult Sheldon.
Celebrities
You might also be interested in:
![TV-Shows-That-Have-Hit-100-More-Episodes-Over-Years-002](/wp-content/uploads/2021/12/TV-Shows-That-Have-Hit-100-More-Episodes-Over-Years-004.jpg?crop=0px%2C0px%2C900px%2C509px&resize=600%2C338&quality=86&strip=all)
![Emily Osment Reveals Young Sheldon Spinoff Series Will Film on the Big Bang Theory Stage 797](/wp-content/uploads/2024/05/Emily-Osment-Reveals-Young-Sheldon-Spinoff-Series-Will-Film-on-the-Big-Bang-Theory-Stage-797.jpg?crop=0px%2C4px%2C1334px%2C754px&resize=600%2C338&quality=86&strip=all)
Emily Osment Says 'Young Sheldon' Spinoff Will Film on 'Big Bang' Stage
![Jim Parsons and Mayim Bialik Reunite As Big Bang s Sheldon and Amy in Young Sheldon Finale Photos 785](/wp-content/uploads/2024/05/Jim-Parsons-and-Mayim-Bialik-Reunite-As-Big-Bang-s-Sheldon-and-Amy-in-Young-Sheldon-Finale-Photos-785.jpg?crop=271px%2C182px%2C1649px%2C929px&resize=600%2C338&quality=86&strip=all)
See Jim Parsons and Mayim Bialik Reunite in 'Young Sheldon' Finale Pic
![Jim Parsons Teases Young Sheldon Finale Appearance in Sweet TikTok Video With Star Iain Armitage](/wp-content/uploads/2024/04/Jim-Parsons-Teases-Young-Sheldon-Finale-Appearance-in-Sweet-TikTok-Video-With-Star-Iain-Armitage-2.jpg?w=600&h=338&crop=1&quality=86&strip=all)
Jim Parsons Teases ‘Young Sheldon’ Finale Appearance With Iian Armitage
![Jim Parsons and Mayim Bialik Will Reprise Their Roles for Young Sheldon Series Finale 449](/wp-content/uploads/2024/03/Jim-Parsons-and-Mayim-Bialik-Will-Reprise-Their-Roles-for-Young-Sheldon-Series-Finale-449.jpg?crop=0px%2C0px%2C2000px%2C1131px&resize=600%2C338&quality=86&strip=all)
Jim Parsons and Mayim Bialik Will Appear on ‘Young Sheldon’ Series Finale
![The Big Bang Theory' Cast: Where Are They Now?](/wp-content/uploads/2021/04/The-Big-Bang-Theory-Cast-Where-Are-They-Now-Promo.jpg?crop=0px%2C0px%2C2200px%2C1244px&resize=600%2C338&quality=40&strip=all)
‘The Big Bang Theory’ Cast: Where Are They Now?
![The Big Bang Theory Cast Dating History Feature](/wp-content/uploads/2021/09/The-Big-Bang-Theory-Cast-Dating-History-Feature.jpg?crop=0px%2C4px%2C2000px%2C1131px&resize=600%2C338&quality=40&strip=all)
‘The Big Bang Theory’ Cast’s Dating Histories Through the Years
![Most Memorable TV Spinoffs Over Years](/wp-content/uploads/2021/06/Most-Memorable-TV-Spinoffs-Over-Years-Landing.jpg?crop=0px%2C0px%2C1998px%2C1129px&resize=600%2C338&quality=40&strip=all)
Most Memorable TV Spinoffs Over the Years
![Promo Kaley Cuoco Explains Why Her Daughter Matilda Is a Genius](/wp-content/uploads/2024/01/Promo-Kaley-Cuoco-Explains-Why-Her-Daughter-Matilda-Is-a-Genius.jpg?crop=0px%2C0px%2C1458px%2C826px&resize=600%2C338&quality=86&strip=all)
Kaley Cuoco Explains Why Her Daughter Matilda Is a 'Genius'
!['Big Bang Theory' Alum Kate Micucci Is 'All Good' After Undergoing Lung Cancer Surgery](/wp-content/uploads/2023/12/Big-Bang-Theory-Alum-Kate-Micucci-Is-All-Good-After-Undergoing-Lung-Cancer-Surgery1.jpg?crop=180px%2C0px%2C1515px%2C855px&resize=600%2C338&quality=86&strip=all)
‘Big Bang Theory’ Alum Kate Micucci Is 'Cancer Free' After Surgery
![sarah-hyland-halloween-modern-family](/wp-content/uploads/2017/10/sarah-hyland-halloween-modern-family.jpg?crop=0px%2C86px%2C1746px%2C986px&resize=600%2C338&quality=40&strip=all)
The Best Halloween Costumes Worn by TV Characters
!['The Big Bang Theory' Project Is Officially in the Works at Warner Bros. Television- Details - 026](/wp-content/uploads/2023/04/The-Big-Bang-Theory-Project-Is-Officially-in-the-Works-at-Warner-Bros.-Television-Details-026.jpg?crop=0px%2C0px%2C2000px%2C1131px&resize=600%2C338&quality=86&strip=all)
'The Big Bang Theory' Spinoff Is Officially in the Works at Warner Bros.
![Kaley Cuoco Dating History Johnny Galecki Karl Cook More](/wp-content/uploads/2022/04/Kaley-Cuoco-Dating-History-Johnny-Galecki-Karl-Cook-More-0001.jpg?crop=0px%2C0px%2C2000px%2C1131px&resize=600%2C338&quality=40&strip=all)
Kaley Cuoco’s Dating History: Johnny Galecki, Karl Cook and More
![Kaley Cuoco: My 'Big Bang Theory' Costars Were 'Protective' Amid Ryan Split](/wp-content/uploads/2022/10/Kaley-Cuoco-My-Big-Bang-Theory-Costars-Were-Protective-Amid-Ryan-Split.jpg?crop=0px%2C0px%2C2000px%2C1131px&resize=600%2C338&quality=40&strip=all)
Kaley Cuoco: My 'Big Bang Theory' Costars Were 'Protective' Amid Ryan Split
!['The Big Bang Theory' Cast Felt 'Blindsided' by Jim Parsons' Exit- 'It Could Have Been Handled Better' 07](/wp-content/uploads/2022/10/The-Big-Bang-Theory-Cast-Felt-Blindsided-by-Jim-Parsons-Exit-It-Could-Have-Been-Handled-Better-07.jpg?w=600&h=338&crop=1&quality=40&strip=all)
'Big Bang Theory' Cast Recalls Feeling 'Blindsided' by Jim Parsons' Exit
![Kaley Cuoco Says Big Bang Theory Pixie Cut Was a Bad Idea](/wp-content/uploads/2022/10/Kaley-Cuoco-Says-Big-Bang-Theory-Pixie-Cut-Was-a-Bad-Idea.jpg?crop=0px%2C0px%2C2000px%2C1131px&resize=600%2C338&quality=40&strip=all)
Kaley Cuoco Jokes 'Big Bang Theory' Pixie Cut Was the 'Worst Decision'
![Big Bang Theory Recap Johnny Galecki Kaley Cuoco](/wp-content/uploads/2019/05/Big-Bang-Theory-Recap-Johnny-Galecki-Kaley-Cuoco.jpg?crop=0px%2C14px%2C1200px%2C679px&resize=600%2C338&quality=86&strip=all)
'The Big Bang Theory' Book Revelations: Kaley and Johnny's Romance, More
![Johnny Galecki and Kaley Cuoco timeline](/wp-content/uploads/2020/12/Johnny-Galecki-and-Kaley-Cuoco-timeline.jpg?crop=59px%2C0px%2C1532px%2C867px&resize=600%2C338&quality=40&strip=all)
Kaley Cuoco and Ex Johnny Galecki's Friendship Through the Years
![Jim Parsons and Todd Spiewaks Relationship Timeline](/wp-content/uploads/2022/03/Jim-Parsons-and-Todd-Spiewaks-Relationship-Timeline8.jpg?crop=0px%2C0px%2C1416px%2C801px&resize=600%2C338&quality=40&strip=all)
20 Years Strong! Jim Parsons and Todd Spiewak’s Relationship Timeline
![Kaley Cuoco, Kiehl's under-eye cream](/wp-content/uploads/2021/05/Kaley-Cucoco-Is-Definitely-Down-For-A-Big-Bang-Theory-Reunion-Promo.jpg?crop=0px%2C39px%2C2200px%2C1244px&resize=600%2C338&quality=82&strip=all)
Kaley Cuoco Is ‘Definitely’ Down for a ‘Big Bang Theory’ Reunion
![Mayim Bialik: Why I ‘Worked So Well’ With Jim Parsons on ‘Big Bang Theory’](/wp-content/uploads/2021/04/Mayim-Bialik-On-Why-She-Worked-So-Well-With-Jim-Parsons-On-The-Big-Bang-Theory-Promo.jpg?crop=0px%2C24px%2C1683px%2C950px&resize=600%2C338&quality=86&strip=all)