Paul Schackman

Afraid they will never get pregnant, Lily and Marshall decide to see a specialist; Robin begins her new job.

Lily and Marshall receive shocking news that has a profound impact on the gang; Ted begins his duties as best man for an old friend's wedding.

Alan goes up against the new power elite in the city when trying to help mayoral candidate Jack Fleming deal with a situation that threatens his election chances.

Neighbors throw their annual block party while Malcolm and his family are on vacation.

Conrad goes head-to-head with Bell after he recommends a risky medical device; Nic fears Conrad is getting overly attached to a patient; Mina and Austin grow closer while working on a difficult heart transplant; Devon embarks on a very difficult day.

When the body of a half-naked woman is found hanging by cuffs in a public park; the investigation takes Castle and Beckett into New York's underground world of sexual domination.