The guys' science skills are put to the test when they get a flat tire during Leonard's bachelor party weekend in Mexico. Also, the girls force Penny to finally tell her family that she eloped with Leonard.
- Directed by
- Mark Cendrowski
- Written by
- Steve Holland, David Goetsch, Eric Kaplan
Guest stars
All episodes — Season 9
Open season page
S9 E1The Matrimonial Momentum
Sep 21, 20157.319 min
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.
S9 E2The Separation Oscillation
Sep 28, 20157.219 min
Leonard confronts the woman he kissed on the North Sea in an attempt to set Penny's mind at ease. Also, Sheldon films a special episode of "Fun with Flags" after his breakup with Amy, and Bernadette feels guilty about withholding a secret f
S9 E4The 2003 Approximation
Oct 12, 20157.519 min
Sheldon learns of an impending change in his living arrangements and decides to revert back to 2003, a simpler time before he met Leonard and Penny. Also, Howard and Raj form a band to play at the Comic Book Store.
S9 E5The Perspiration Implementation
Oct 19, 20157.119 min
The guys take a fencing lesson from Barry Kripke and Sheldon finds himself in an awkward position when Kripke expresses interest in Amy. Also, when Stuart struggles to get female customers at the Comic Book Store, Penny, Amy and Bernadette
S9 E6The Helium Insufficiency
Oct 26, 20157.119 min
In the midst of a nation-wide helium shortage, Sheldon and Leonard take desperate measures to get the supplies they need. Also, Penny and Bernadette download a dating app on Amy's phone to try and find her a new man.
S9 E7The Spock Resonance
Nov 5, 20157.719 min
Wil Wheaton interviews Sheldon for a Star Trek documentary where he reveals the ring and his plan to propose to Amy. Bernadette wants to start renovating the house and the topic of starting a family together with Howard is brought up.