The Big Bang Theory Season 7 Episode 1: The Hofstadter Insufficiency
5 second plot: Leonard is having a lot of fun on his expedition adventure. Sheldon and Penny miss him and seek comfort with each other. Amy and Bernadette are also away from their guys and they are loving the male attention they are getting.
5 second review: The start of a new season for a great show like this is always exciting. It's still brilliant. Great dialogue and great fun.