TV Tonight: Great Guest Stars on NBC Having a new episode of The Office plus a new 30 Rock is enough to make me happy most Thursdays, but tonight's episodes have some special appeal. On 30 Rock, Jon Hamm is back as Liz's neighbor and incredibly understanding date, Drew, while on The Office, Idris Elba starts his six-episode run as a new boss at Dunder Mifflin going toe-to-toe with Michael Scott.