Paul Rae

House suspects an emergency room patient has a bigger problem then the E.R. initially diagnosed based on the fact that the patient is too nice. A skeptical House questions the patient’s sunny disposition as the team tries to get to the bottom of his illness, but disagrees with House that niceness is a symptom. Meanwhile, House and Amber are at odds about how much time they each get to spend with Wilson, and Cuddy demands House give his team performance reviews.

The team head to Canada to investigate the disappearances of a number of homeless people, drug users and sex workers and uncover something horrific in part one of the season finale.

To Brenda's irritation, Pope requires her team to undergo anti-terrorism training to deal with a potential attack involving weapons of mass destruction.

Gibbs and the team work to clear the name of a Navy medic killed in Iraq, who is the prime suspect in a murder in his hometown.

There's more than one Observer! When one of the series' mysterious Observers kidnaps a woman, the Fringe team is called in to investigate why. But while the course of their investigation not only reveals the private lives of the Observers, it also threatens to unearth Walter's clandestine involvement with them years before – a secret he's desperate to keep from his son, Peter. As destiny is irrevocably rewritten and time is running out, the renegade Observer asks for help from the unlikeliest of sources…Walter Bishop.