Except while the images were happy, the underlying themes were not: Hannah, Adam, Marnie and Charlie are all back to square one. Any personal gains they've made in the year that the show has depicted were erased with one single montage. It was "Girls" as "The Graduate": the characters won the battle, but lost the war.
Mayim Bialik (aka Dr. Amy Farrah Fowler on television's popular "The Big Bang Theory") not only plays a geek, she IS one. Best known for her leading roll in the 90s family hit, "Blossom" and the young Bette Midler in "Beaches," she's a real-life neurobiologist who holds a Doctorate of Philosophy in Neuroscience from UCLA.