Paul Schackman

When Marshall and Lily fear they will never get pregnant, they see a specialist who can hopefully help move the process along. Meanwhile, Robin starts her new job.

When Marshall and Lily receive shocking news, it has a profound effect on the gang and forces them to reexamine their own lives. Meanwhile, Robin gets a new job, Barney discovers the joy of giving on Christmas and Ted begins his duties as Best Man for his old friend Punchy's wedding.

Sheldon considers dropping out of college to focus on building his database. Also, George Sr. is frustrated when someone else gets credit for his football wins.

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

With time running out to save the victims of a kidnapping ring before they are transported overseas, Jane and Lisbon zero in on the criminal enterprise's mastermind. Meanwhile, Lisbon decides if she will move to D.C. with Agent Pike.

Brennan is critically injured.