S5·E23 Sex, Lies and Expedia.com

Unwilling to let a poor client go to extremes to get prompt medical attention for her daughter, Maxine finds a way to get D.C.F. to cover the surgery the girl needs; David declares his love for Amy; Maxine gets shocking news about Ignacio and breaks off their relationship; Amy tragically miscalculates a teenager's propensity for violence; increasingly jealous over Peter's involvement with Shelby, Gillian confronts him about the future of their marriage, and doesn't like the response she gets; with the help of Buck and a little gunfire, Kyle finally finds a career path he can get excited about; the Grays receive a very unexpected, and very welcome, visitor.