Rhomeyn Johnson

After a successful operation on his heart, George's father undergoes surgery for his cancer, Thatcher Grey visits Seattle Grace in order to see his new granddaughter, and Meredith discovers that Derek has trouble sleeping soundly. This is Part One of a two-part episode.

NCIS investigates an arson attack at Global West Ventures Corp., a naval defense contractor; Rountree connects with an ex; Kilbride gives Callen files on Pembrook.

After NCIS arrives at a Halloween crime scene, Torres recognizes the victim as a friend from federal law enforcement training; Jimmy thinks his lab is haunted by ghosts after objects keep mysteriously moving.

Marshall learns Lily's dirty little financial secret when he and she decide to buy an apartment.