THE BIG BANG THEORY TEMP 5 24 EPISÓDIOS (USA, 2012) – Episode 16, The Vacation Solution, When the university forces Sheldon to use vacation days, he hangs out in Amy's lab. Howard becomes upset when he hears Bernadette wants him to sign a prenuptial agreement; and in episode 19, The Werewolf Transformation, Sheldon wreaks havoc when he tries to get a haircut from his regular barber, who is ill. Howard runs into a few problems with astronaut training. Prime.