Grey's Anatomy 1. Watch Carrie Pilby HDQ'>Watch Carrie Pilby HDQ. Opening Scene “Undo” Season 1. Hell On Wheels Watch Full Episode on this page.

• The lives of everyone in the OR are threatened when a patient enters with a bomb inside him, and a young paramedic with her arm inside the cavity is the only thing.
• DVD cover art for the first season of Grey's Anatomy.
• Grey's Anatomy 13x01 Extended Promo“ Undo” – When one of Grey Sloan’s own lands in the hospital.
• When one of Grey Sloan's own lands in the hospital, Bailey tries to figure out what happened while the rest of the doctors jump in to help; Meredith juggles huge.
• Watch Grey's Anatomy: Undo from Season 13 at TVGuide.com.

The Grey's Anatomy Season 1 full episode guide offers a synopsis for every episode in case you a missed a show. Browse the list of episode titles to find summary. The fifth season of Grey's Anatomy premiered September 25, 2008 and ended May 14, 2009.

Watch full episodes of Grey's Anatomy and get the latest breaking news, exclusive videos and pictures, episode recaps and much more at TVGuide.com. On Grey's Anatomy Season 13 Episode 21, Maggie finds out about Nathan and Meredith and is hurt. Richard takes on a gross case that makes everyone squirm. Watch Lurking Fear Online IMDB.