1. We first meet Gollum years before Bilbo stumbles upon the wretch during happier times, when he had teeth and a full Garfunkel-esque head of hair. 2. Gandalf the Grey takes a moment to smoke "magical tobacco," inspiring a long scene where the wizard hallucinates that he is a villain with magnetic powers prone to melodramatic exposition. 3. There are new dwarves who accompany Bilbo on his adventure to smite the dragon Smaug, including Sneezy, Dopey, and Tyrion Lannister. 4. In the second installment of "The Hobbit," the wizard Saruman watches the first installment of "The Hobbit" in its entirety with his palantir seeing stone. 5. At various moments in all three movies, Bilbo stops to enjoy a long 'second breakfast' at Mutton King.