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- Season 9 overviewSep 21, 2015-May 12, 201624 episodesSeason 9 episodes1. The Matrimonial Momentum Sep 21, 2015
- Penny must decide if she can get past Leonard's bad behavior.
- 2. The Separation Oscillation Sep 28, 2015
- Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags."
- 3. The Bachelor Party Corrosion Oct 5, 2015
- A flat tire during Leonard's bachelor party weekend in Mexico tests the guys' skills.
- 4. The 2003 Approximation Oct 12, 2015
- An impending change inspires Sheldon to revert to 2003, before he met Penny and Leonard.
- 5. The Perspiration Implementation Oct 19, 2015
- Barry Kripke expresses interest in Amy while leading a fencing lesson for the guys.
- 6. The Helium Insufficiency Oct 26, 2015
- Leonard and Sheldon try to secure the helium they need during a nation-wide shortage.
- 7. The Spock Resonance Nov 5, 2015
- Sheldon struggles to keep his emotions in check when he is interviewed for a documentary.
- 8. The Mystery Date Observation Nov 12, 2015
- Sheldon, Wolowitz and Koothrappali post an ad online to find a new girlfriend for Sheldon.
- 9. The Platonic Permutation Nov 19, 2015
- Amy and Sheldon spend Thanksgiving at the aquarium -- as friends.
- 10. The Earworm Reverberation Dec 10, 2015
- Sheldon has a song stuck in his head; despite their awkward date, Amy asks Dave over for dinner.
- 11. The Opening Night Excitation Dec 17, 2015
- After dating for more than five years, Amy and Sheldon spend the night together for the first time.
- 12. The Sales Call Sublimination Jan 7, 2016
- Leonard meets with a psychiatrist; Wolowitz and Bernadette struggle when Stuart moves out.
- 13. The Empathy Optimization Jan 14, 2016
- Leonard, Penny and the gang attempt to treat themselves to a Sheldon-free weekend.
- 14. The Meemaw Materialization Feb 4, 2016
- Sheldon's excitement about his Meemaw's visit fades when she butts heads with Amy.
- 15. The Valentino Submergence Feb 11, 2016
- Amy and Sheldon host a Valentine's Day edition of Fun With Flags; Raj is torn between two women.
- 16. The Positive Negative Reaction Feb 18, 2016
- The gang celebrates news of Bernadette's pregnancy by singing karaoke.
- 17. The Celebration Experimentation Feb 25, 2016
- For the first time in nine years, the gang celebrates Sheldon's birthday.
- 18. The Application Deterioration Mar 10, 2016
- The guys file for a patent on their invention; the girls give dating advice to Koothrappali.
- 19. The Solder Excursion Diversion Mar 31, 2016
- Sheldon makes a revelation when Amy buys him a new laptop; Leonard and Wolowitz lie to their wives.
- 20. The Big Bear Precipitation Apr 7, 2016
- Sheldon shares a secret about Leonard when they go on a weekend trip with Penny and Amy.
- 21. The Viewing Party Combustion Apr 21, 2016
- The gang must choose sides when an argument between Sheldon and Leonard turns into a heated debate.
- 22. The Fermentation Bifurcation Apr 28, 2016
- The gang runs into Penny's ex while out at a wine bar; Bernadette spends an evening with Sheldon.
- 23. The Line Substitution Solution May 5, 2016
- Sheldon wants to go to a movie screening, so he pays Stuart to spend the day with Amy.
- 24. The Convergence Convergence May 12, 2016
- Leonard's recently divorced parents and Sheldon's devoutly religious mother visit.
The ninth season of the American sitcom The Big Bang Theory aired on CBS from September 21, 2015 to May 12, 2016. The series returned to its regular Thursday night time slot on November 5, 2015 beginning with the season's seventh episode.
9.1/10. Rate. Seasons Years Top-rated. 1 2 3 4 5 6 7 8 9 10 11 12 Unknown. S9.E1 ∙ The Matrimonial Momentum. Mon, Sep 21, 2015. Penny struggles with Leonard's confession that he kissed another woman as they prepare to get married in Las Vegas. Meanwhile, Sheldon doesn't know what to do after Amy pushes pause on their relationship. 6.8/10 (3.8K)
The ninth season of The Big Bang Theory was confirmed on May 12, 2015, alongside seasons 8 and 10. It aired during the 2015-16 television season. Season 9 premiered on Monday, September 21. First taping was on August 11. Johnny Galecki as Leonard Hofstadter (24/24) Jim Parsons as Sheldon Cooper...
Sep 21, 2015 · The Big Bang Theory was renewed for its ninth season as part of a three-season deal in 2014. << Season 8. Season 10 >>. Episode Guide > Season 9. A complete guide to The Big Bang Theory Season 9 including synopses, air dates, guest cast and crew for each episode.
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Watch the ninth season of the popular sitcom about nerdy physicists and their friends on various streaming platforms. See the ratings, reviews, trailers and cast of The Big Bang Theory: Season 9.
- (6)
- Johnny Galecki
- Mark Cendrowski, Nicole Lorre, Anthony Rich
- September 21, 2015
Sep 21, 2015 · Find out the dates, titles and summaries of the 24 episodes of the comedy series The Big Bang Theory Season 9, which explores darker themes and drama in the lives of the nerdy characters. Watch the show online or on TV with TV Guide's guide and recommendations.
Sep 21, 2015 · Season 9 (2015) ← Back to season list. Season 8 Season 10. Episodes 24. Sort. 1. The Matrimonial Momentum. 71 % September 21, 2015 • 19m. After driving to Vegas to get married, Penny struggles with Leonard’s confession that he kissed another girl. Also, Sheldon doesn't know how to act after Amy pushes pause on their relationship. Expand. 2.