In her opening monologue, she laughed about how facebook, which got her to SNL in the first place, seems like a "massive waste of time" and how when she was first on TV, it was live as well, though they didn't have a choice so she doesn't know "what excuse" SNL has.
Later she redid the classic Schweddy Balls sketch with her "muffin." The full episode is now available on Hulu and, combined with Jay-Z, it's no wonder that Betty White was able to produce the show's highest ratings in 18 months.
With the return of former cast members Amy Poehler, Maya Rudolph, Rachel Dratch, Ana Gasteyer, Molly Shannon and Tina Fey, there were some returning skits and characters, like NPR's The Delicious Dish and Rudolph's Whitney Houston during Weekend Update.
From the Upcoming ueue, submitted by nmiller.