Benjamin Byron Davis

Leslie's efforts to take down the wall separating Eagleton and Pawnee yield unexpected results.

The BAU team face one of their toughest cases yet ,when a prolific, border-crossing serial killer leads them on a hunt into Canada.

Robin and Ted reminisce about past relationships as they search for a drunken Barney on the day of the wedding; Lily and Marshall come to a resolution; Barney befriends two men who are eager to meet women.

The team's investigation of a murder with possible links to a viral outbreak is hampered when a severe blizzard causes a city-wide blackout.

With his cover blown and NCIS' sensitive information at risk, Callen must remove himself from the investigation of Eugene Keelson.

Lorelai wakes up in bed with Christopher, then tries to get rid of everything that reminds her of Luke; Logan gives Rory a plane ticket; Kirk and Taylor cause an accident that damages Luke's diner; Luke asks Lorelai to elope.