Leonard and Penny have gotten married… twice! Sheldon has not only experimented with cohabitation, but he’s proposed to neurobiologist Amy Farrah Fowler. Meanwhile, there’s still time for science, science-fiction and the comic book store, while Raj and Stuart help out Howard and Bernadette with new baby Halley. Prepare for comedy to enter the eleventh dimension!

Special Features
-The Maturation Imperative: Show creator Chuck Lorre,  executive producers Steve Molaro and Steve Holland along with the cast discuss highlights from season eleven as well  as one of the show's most memorable season finales, Sheldon and Amy's wedding
-A BBT History of Time: The  show pays tribute to one of The Big Bang Theory's most prominent guest stars Stephen Hawking.
-The Big Bang Theory: The Blueprint of Comedy: Find out what goes into making a scene ready for air as show creator Chuck Lorre,  executive producers Steve Molaro and Steve Holland and the cast examine a specific scene from an episode, revealing the method behind the hilarious madness.
-Gag Reel