Dulé Hill and Bradley Whitford Have a Mini 'West Wing' Reunion on 'The Wonder Years' (Exclusive)

New episodes air Wednesdays at 9 p.m. ET/PT on ABC. In 'Bill's New Friend,' after Bill (Hill) befriends Dean’s music teacher (Whitford), Bill and Lillian (Saycon Sengbloh) attend a party at his house and the evening takes an unexpected turn. Meanwhile, with their parents away, Dean (EJ Williams), Bruce (Spence Moore II) and Kim (Laura Kariuki) make their own plans for the night.