The episode featured a guest appearance by "CBS Evening News" anchor Katie Couric. Songs performed include "California Gurls," "Need You Now," "Bills, Bills, Bills" and zombie-fied takes on "She's Not There" and "Thriller/Heads Will Roll."
As a special bonus, we include footage of "Glee" star and Broadway favorite Lea Michele singing "America the Beautiful" just before kickoff at the Super Bowl.
To catch the "Glee" episode and Michele singing, look below: