House: Season 6, Episode 17

6 - 17: Knight Fall

When the hospital is sent into lockdown mode due to a missing infant, all of the doctors must remain where they are, leaving Foreman and Taub in the file room, Wilson and Thirteen in the cafeteria playing truth or dare, House in a room with a patient (David Strathairn), and Chase with his ex-wife, Cameron, as Cuddy tries to help police locate the infant.