Nicole Cannon

In the sixth season finale, a new lead in a cold case requires Lisbon to delay her plans to leave for Washington, D.C. with Marcus Pike, giving Jane time to finally come to terms with his feelings for her and decide on a course of action.

House and the team treat a high-profile fitness trainer who collapses while shooting an infomercial; Thirteen participates in a clinical trial led by Foreman.

The team treats a teenager who doesn't know that he has genetic mosaicism; Wilson and Cuddy think something is wrong with House when he starts acting nice.

In Part One of a Two-Part crossover episode to conclude on Without A Trace, a kidnap victim from New York who went missing six years ago may be the same boy whose death Grissom and the CSI team are investigating in Las Vegas.

The CSIs set out to track down a pedophile suspected of murdering an FBI agent's wife and kidnapping his children.

When Horatio tracks down a mysterious murder suspect, he discovers the man's life is a charade.