Lou George

Rob becomes obsessed with finding out about Maggie's past. Rosa and Fernando stop speaking to each other after their biggest fight is brought up. Also available on iTunes, Amazon Instant Video and VUDU

When Ted and Barney argue about who has "dibs" on a hot girl, Ted realizes that she is there with Cindy (guest star Rachel Bilson), a girl he previously dated who is also the roommate of his future wife. Meanwhile, Robin is heartbroken over Don, and Marshall can't keep quiet about his desire to start a family. Also available on Netflix and Amazon Instant Video

Isaac's new girlfriend, Raina, is put in an awkward position when Sebastian prevents the team from telling him that they have re-opened his fiancée's murder case because the person behind her death may still be at large. Also available on Amazon Instant Video and VUDU

Dave and Deena's plan for a secret getaway to renew their wedding vows turns chaotic; Natasha interrupts Brian and Adam while they are baby-sitting; overwhelmed Nicole does not have help to tend to many new customers. Also available on Xfinity and Amazon Instant Video