New roommates Troy and Abed host an apartment-warming party that takes a strange turn.

Gloria tries to help Jay and Manny with their problems but both are unreceptive. Claire considers running against Councilman Duane Bailey. Cam and Mitch are the victims of a hit-and-run accident.

Frankie learns that Axl’s PSAT’s are fast approaching and he hasn’t been preparing for them. Sue sets her sights high and decides to try out for cheerleading, while Mike decides that Brick needs to toughen up when he gets bullied at school.

While investigating the mysterious shooting death of a young woman, Castle and Beckett face a cop’s worst nightmare when they discover that the gun used in the killing is Det. Ryan’s old service weapon – the one that was stolen by the serial killer, 3XK. Now with the clock ticking, the team must work to solve the murder, track down 3XK and retrieve Ryan’s gun before the killer strikes again.

Marshall decides to step in after seeing his boss’s approach to settling with a million dollar company. Ted’s class trip isn’t what he envisioned.

When Elisabeth, Jim, Malcolm and Taylor investigate radio silence at a nearby scientific outpost, they discover an outbreak of a mysterious virus causing memory loss, paranoia and eventually death. The group must work together to find a cure before they lose their sanity and all of Terra Nova is infected.

Walt and Jesse team up to take on Gus. With Saul’s help, Walt finds an unexpected ally.

Walt and Jesse team up to take on Gus. With Saul’s help, Walt finds an unexpected ally.

Carrie continues to surveil Brody but is unable to follow his actions into his garage which is a blind spot, where Brody begins to perform an Islamic prayer. Meanwhile, Carrie receives visual confirmation from an undercover agent that shows Al-Qaeda member Abu Nazir on video meeting with the Royal Prince of the Kingdom of Saudi Arabia.

Alicia and Will go toe-to-toe with his ex during a court-ordered mediation. Eli and Diane clash over the best way to handle a dairy company’s PR disaster.