The Big Bang Theory (Season 9)

时长:00:20:31 / 首播:2015-09-21
Leonard and Penny go through with their plan to elope in Las Vegas and have the ceremony broadcast via livestreaming so their friends can watch it at home. Leonard created a touching science-based vow while Penny recites You've Got a Friend in Me. After Leonard carries Mrs. Hofstadter over the threshold, Penny is bothered by Leonard's kissing another woman two years ago and is outraged when she learns the other woman Mandy works with Leonard.

Sheldon is confused and hurt about what Amy wants and insults her while the friends have gathered to watch the wedding at Howard and Bernadette's house. Amy officially breaks up with Sheldon causing everyone to ignore the wedding. Amy later rebuffs Stuart. Sheldon calls his mother to send back his great-grandmother's ring he had meant for Amy, but Mary tells him to wait things out.

Penny goes to her apartment alone and Sheldon brings a hot beverage. He briefly considers dating Mandy to get back at Amy, but cannot be with someone attracted to Leonard. Sheldon is angered Penny knew that Amy was unhappy and didn't defend him. Sheldon storms out. In Apartment 4A a dejected Leonard cannot believe he is spending his wedding night with Sheldon, but Sheldon always expected it.

Recurring characters: Laurie Metcalf as Mary Cooper, Kevin Sussman as Stuart

Title Reference: The events that are set in motion by Leonard and Penny eloping.