Watch See all »
In the sixth-season opener, Ted runs into Cindy (Rachel Bilson), whom he dated briefly--and who is also the roommate of his future wife; Robin is having a difficult time getting over Don; and Marshall can't stop talking about starting a family.
A chief petty officer is murdered. The investigation reveals that his death is linked to an international arms dealer, which jeopardizes top-secret clearance at a Naval research laboratory. Meanwhile, a probationary agent tries to join the team by getting (more…)