The Thick of It (2005)

S5E12 Sympathy for the Devil

Carolyn, Derek's mother, unexpectedly arrives in Seattle and meets Meredith for the first time, while Mark attempts to hide his romance with Lexie from her. At the same time, death row inmate William expresses his desire to donate his organs to a patient of Bailey and Arizona. Meanwhile, Owen and Cristina are eager to enjoy their first date together.