James Wellington

Callie and Derek collaborate on a brain mapping project; Meredith thinks about continuing her mom's research; Shane's guilt persists.

When Nick inherits some money from his late father, Jess is determined to put the funds to good use by secretly tackling Nick's box of unwanted responsibilities, and his unpaid bills.

Buffy learns more about her sister Dawn when a menacing force finds its way to Sunnydale, and Buffy's mother falls ill for no apparent reason.

The crew concocts a plan to help Vic Fontaine regain control of his Las Vegas holosuite lounge from a mobster who's bought the hotel.

While investigating a homicide with Catherine, a shocked Gil discovers that a prime suspect has been missing for decades. Warrick and Sara try to explain what seems like a physical impossibility.

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