John Cothran

Meredith and Derek get one last shot at success in their clinical trial; the surgeons work together to free a boy from a block of cement; Izzie helps Alex care for Rebecca; Lexie uncovers critical information about George's status as an intern.

Meredith and Derek get one last shot at success in their clinical trial; the surgeons work together to free a boy from a block of cement; Izzie helps Alex care for Rebecca; Lexie uncovers critical information about George's status as an intern.

Carter and Benton share a personal tragedy; bullets injure members of a bridal party; Charlie's mother appears; Jeanie and a doctor hit it off.

Pride's teams uncover a sinister plot during the New Orleans Tricentennial Fleet Week celebration.

Tony helps Ziva and her mentor look for a missing Marine lieutenant in Colombia; Jimmy Palmer chooses his best man.

Pride assembles an off-the-books team to search for a loophole when he faces a grand jury indictment for abuse of power.