The Big Bang Theory: Season 9 (2015)


0 hr 20 mins 9/21/2015 1. The Matrimonial Momentum
	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.
0 hr 19 mins 9/28/2015 2. The Separation Oscillation
	Leonard and Penny try to work through their marital issues. Meanwhile, Sheldon films a special episode of "Fun with Flags" after his breakup with Amy, and Bernadette feels guilty about withholding a secret from Penny.
0 hr 20 mins 10/5/2015 3. The Bachelor Party Corrosion
	The guys's skills are put to the test when they get a flat tire on the way to Mexico for Leonard's bachelor party. The girls throw Penny a mini-bachelorette party.
0 hr 19 mins 10/12/2015 4. The 2003 Approximation
	An impending change to his living arrangements inspires Sheldon to revert to 2003, before he met Penny and Leonard. Raj and Howard form a band for the comic book store.
0 hr 19 mins 10/19/2015 5. The Perspiration Implementation
	Kripke expresses interest in Amy while leading a fencing lesson for the guys. Meanwhile, Stuart seeks help from the girls in getting more women interested in the comic book store.
0 hr 19 mins 10/26/2015 6. The Helium Insufficiency
	Leonard and Sheldon go to great lengths to secure the helium they need during a nation-wide shortage. Meanwhile, the rest of the gang try to find Amy a new boyfriend on a dating app.
0 hr 19 mins 11/5/2015 7. The Spock Resonance
	While being interviewed for a documentary about Spock from Star Trek (1966), Sheldon struggles to suppress his emotions about his recent break-up from Amy. Meanwhile, Howard and Bernadette butt heads over renovating his mother's house.
0 hr 19 mins 11/12/2015 8. The Mystery Date Observation
	Sheldon, Howard and Raj post an ad online to find a new girlfriend for Sheldon. Penny and Bernadette decide to spy when Amy is secretive about who she is dating.
0 hr 21 mins 11/19/2015 9. The Platonic Permutation
	On Thanksgiving, Sheldon and Amy try to spend time together as friends and go to an aquarium, Howard reluctantly agrees to volunteer at the soup kitchen with Bernadette, Raj and Emily, and Penny discovers that Leonard knows more about her than she thought.
0 hr 21 mins 12/10/2015 10. The Earworm Reverberation
	Sheldon has a revelation when he realizes why a song was stuck in his head. Meanwhile, Amy invites Dave over for dinner despite their previously awkward date, and Howard and Raj become obsessed with a fan of their band.
0 hr 21 mins 12/17/2015 11. The Opening Night Excitation
	Leonard, Howard and Raj have to decide who will take their extra Star Wars movie ticket, while Sheldon plans something special for Amy's birthday.
0 hr 18 mins 1/7/2016 12. The Sales Call Sublimation
	Penny gets more than she bargained for when Leonard agrees to meet with a psychiatrist on her behalf to make a sale. Meanwhile, Sheldon and Raj collaborate on an astronomical discovery, and Howard and Bernadette's happiness is short-lived after Stuart moves out.
0 hr 19 mins 1/14/2016 13. The Empathy Optimization
	After being forced to deal with a sick Sheldon, the rest of the gang try to treat themselves to a Sheldon-free weekend.
0 hr 19 mins 2/4/2016 14. The Meemaw Materialization
	Sheldon is thrilled when his Meemaw comes to visit, but his excitement quickly fades when she butts heads with Amy. Meanwhile, Raj meets a girl at the comic book store who makes him question his relationship with Emily.
0 hr 19 mins 2/11/2016 15. The Valentino Submergence
	Sheldon and Amy host a Valentine's Day episode of "Fun with Flags", Leonard and Penny grapple with getting older, Howard and Bernadette find a surprise in their hot tub and Raj is torn between Emily and Claire.
0 hr 19 mins 2/18/2016 16. The Positive Negative Reaction
	Bernadette reveals her pregnancy to Howard and the rest of the gang.
0 hr 19 mins 2/25/2016 17. The Celebration Experimentation
	The gang convinces Sheldon to celebrate his birthday and throw him a party.
0 hr 19 mins 3/10/2016 18. The Application Deterioration
	Leonard, Sheldon, and Howard run into problems when they file for a patent for their infinite persistence gyroscope. Meanwhile, the girls give Raj dating advice when Emily reaches out to him after their breakup.
0 hr 20 mins 3/31/2016 19. The Solder Excursion Diversion
	Amy is shocked at a revelation from Sheldon after she buys him a new laptop. Meanwhile, Raj sells out Leonard and Howard after they lie to their wives in order to attend an early screening of a movie.
0 hr 19 mins 4/7/2016 20. The Big Bear Precipitation
	Secrets are revealed when Amy and Sheldon join Penny and Leonard on a weekend cabin trip. Raj is more excited about Howard's and Bernadette's impending parenthood than they are.
0 hr 18 mins 4/21/2016 21. The Viewing Party Combustion
	The gang pick sides when a small argument between Leonard and Sheldon erupts into a heated fight during a "Game of Thrones" viewing party.
0 hr 20 mins 4/28/2016 22. The Fermentation Bifurcation
	Sheldon and Bernadette spend the evening together while the rest of the gang go to a wine tasting party, but things get uncomfortable for Raj when Penny's ex-boyfriend Zack shows up and takes an interest in Claire.
0 hr 18 mins 5/5/2016 23. The Line Substitution Solution
	Sheldon hires Stuart to spend the day with Amy when he would rather go to the movies. Meanwhile, Penny struggles to make a connection with Leonard's mother when she comes to visit.
0 hr 20 mins 5/12/2016 24. The Convergence Convergence
	Leonard and Penny try to have a wedding ceremony that everyone can attend, but it creates serious conflict among Sheldon's mother and Leonard's divorced parents. Meanwhile, Howard and Raj become convinced the government is out to get them.

	Johnny Galecki	Leonard Hofstadter
	Jim Parsons	Sheldon Cooper
	Simon Helberg	Howard Wolowitz
	Kaley Cuoco	Penny
	Kunal Nayyar	Raj Koothrappali
	Mayim Bialik	Amy Farrah Fowler
	Melissa Rauch	Bernadette Rostenkowski
	Kevin Sussman	Stuart Bloom
	John Ross Bowie	Barry Kripke
	Laura Spencer	Emily Sweeney
	Christine Baranski	Dr. Beverly Hofstadter
	Alessandra Torresani	Claire
	Wil Wheaton	Wil Wheaton
	Stephen Merchant	Dave Gibbs
	Laurie Metcalf	Mary Cooper