André Gordon

Phil and Lily bond while building a habitation for ducks. Claire is nervous about pitching some ideas for Jay's closet company.

When J.D. (Zach Braff) accidentally gets stuck with a needle that may have been infected with hepatitis, he starts to shy away from dealing with his sicker patients. Meanwhile, he and Elliot (Sarah Chalke) are forced to deal with four doctors (guest stars Ed Begley, Jr., William Daniels, Stephen Furst and Eric Laneuville of "St. Elsewhere") who become ill while attending a local medical convention. Elsewhere, Turk (Donald Faison) pays a high price when he goes to Dr. Cox (John C. McGinley) to help him get in shape. Ken Jenkins and Judy Reyes also star.

Burt and Virginia go undercover to expose a corporate scandal that is killing all the bees in Natesville.

As the team tracks an elusive, chameleonlike killer, NCIS Assistant Director Granger (Miguel Ferrer) critiques every step of the investigation.