Episode 21:
Superstition

Air Date: 03/19/2006

When a series of deaths occur at Seattle Grace, the uncanny events bring out the doctors' superstitious sides and make Izzie nervous about Denny's surgery. Meanwhile, Derek and Addison discuss making a more permanent living arrangement, and Richard treats a very special, old friend.

- description by ABC.com

Grey's Anatomy Music

Artist: Greenskeepers
Song: "You Don't Know Me"

Artist: Anna Nalick
Song: "Catalyst - Acoustic"

Artist: Luke Doucet
Song: "Free"

Artist: The Fray
Song: "How To Save A Life"

Artist: Foy Vance
Song: "Gabriel And The Vagabond"

Artist: Jamie Lidell
Song: "Multiply"

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Guest Appearances

Kate Anthony .... Nurse Kate
Brooke Blanchard .... Jill the Paramedic
Kerry Carney .... Intern
Kathleen M. Darcy .... Derek's Anesthesiologist
Alex Downs .... AA Member #2
Keeshan Giles .... Intern #2
Linda Klein .... Scrub Nurse
Wayne Lopez .... Paramedic #2
Omar Metwally .... Jesse Fannon
Shenita Moore .... ER Nurse
Annie Morgan .... Gretchen Warner
Jeffrey Dean Morgan .... Denny Duquette
Rob Narita .... Burke's Anesthesiologist
Anjul Nigam .... Dr. Raj Prahbu
Mary Kay Place .... Ollie
Sara Ramirez .... Dr. Callie Torres
Domingo Vara .... AA Member #3
Michaela Watkins .... Nikki
Pamela Zane .... AA Member #1
David Mehl .... ER Doctor (uncredited)