ER: Season 8, Episode 18

Orion in the Sky (4 Apr. 2002)

TV Episode  |  TV-14  |   |  Drama
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Ratings: 8.5/10 from 156 users  
Reviews: 2 user

As Dr. Greene's brain tumor begins affecting his coordination, he becomes concerned that his fate will be similar to the terminally ill patients he treats.



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Title: Orion in the Sky (04 Apr 2002)

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Episode cast overview, first billed only:
Dr. Robert Romano (credit only)
Dr. Jing-Mei Chen (as Ming-Na)
Paul Benjamin ...
Jeffrey Cruz


As Dr. Greene's brain tumor begins affecting his coordination, he becomes concerned that his fate will be similar to the terminally ill patients he treats.

Plot Summary | Plot Synopsis






Release Date:

4 April 2002 (USA)  »

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


In 'Orion in the Sky', when Mark is leaving the hospital for the final time, his locker door opens to the left. However, in 'The Letter', when Carter is cleaning out the same locker, the door opens to the right. See more »


Dr. Mark Greene: Thank you, Katie.
Katie: What did I do?
Dr. Mark Greene: You just became my very last patient.
See more »

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User Reviews

"You set the tone Carter"
7 May 2007 | by See all my reviews

This episode features Dr.Greene's last day working at the ER and finally coming to terms with the fact he is going to die and he wants to die the way he lived his life. Fans of the show will notice many heartbreaking moments in this episode. Like when he tells the patient that he too knows what it is like to be dying. The 2 most painful moments are when he is leaving for the last time. When he is walking toward the door he makes eye contact for the last time with his longtime crush, Dr.Lewis, and as he walks to the door he responds to Abby's goodnight with a crushing "goodbye". The final scene between Greene and Carter passes the torch from one to the other, but in doing so leaves a huge void the show has never filled. Dr. Greene set the tone.

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