John Bobek

Thanksgiving with Marshall's family is especially stressful for Lily because she thinks she may be pregnant. Elsewhere, Robin, Barney and Ted spend the holiday volunteering at a homeless shelter.

The BAU travels to Oregon to assist local authorities in investigating the disappearances of people who are new to the city and have no strong social ties in Portland.

Susan discovers revealing secrets about her future in-laws; Gaby has a devastating catastrophe; an unexpected love affair develops.

An unexpected announcement at Gaby's engagement party; a dead body in a home on Wisteria Lane; Susan makes a choice between Ian and Mike.

A couple travels across the ocean in search of a diagnosis from House.

Dave (Zachary Knighton) decides to quit his job and open a restaurant, only to learn that his friends think he is making a big mistake. Meanwhile, as Jane (Eliza Coupe) and Max (Adam Pally) vie over which of them would survive a zombie apocalypse, Penny (Casey Wilson) struggles to fit in with her new hipster boyfriend (guest star John Bobek) and his friends.