The office scrambles without Don; Betty learns some disconcerting news.

A nuclear scientist insists on making a deal with the team before revealing information about an imminent terrorist attack on a major U.S. city; Kim, Molly and Tiffy are asked to work under cover with Jonas.

Wanted: Randy Yager/Lost: Margie Jelovic Mystery: Kansas City Arsonist Legend: The Allagash Abductions Lost: Amy Wroe Bechtel

Wanted: Paul Stamper Lost: Susan Walsh Legend: Trabuco Treasure Murder: Su Taraskiewicz Update: Murder: Lee Selwyn Mystery: Tom Hughes