Lost (2004–2010)
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Deus Ex Machina 

Locke thinks he knows how to get the hatch open, and he and Boone venture inland. Jack is reluctant to help Sawyer get glasses.



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Episode cast overview, first billed only:
Claire Littleton (credit only)
Shannon Rutherford (credit only)
Walt Lloyd (credit only)
Charlie Pace (credit only)


Locke and Boone build a trebuchet in an attempt to open the hatch, but Locke is injured when the trebuchet fails. Literally following a hallucination, Locke and Boone discover a small plane crashed high in a tree. Sawyer, suffering from severe headaches, is forced to turn to Jack for help. Written by Lynne Boris Johnston

Plot Summary | Add Synopsis

Plot Keywords:

hatch | tree | headache | plane | dialysis | See All (21) »


TV-14 | See all certifications »





Release Date:

30 March 2005 (USA)  »

Filming Locations:

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Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


Swoosie Kurtz and Kevin Tighe, who play Locke's parents, are only 8 years older than Terry O'Quinn. See more »


When Locke is shown in his flashback setting up the board game Mouse Trap at Walmart, a boy comes up to see the game. Locke goes over to talk to a women and tells the boy to turn the crank on the game. We see the first half of the trap go off, the scene cuts to the conversation Locke is having and we hear the noises of the Mouse Trap game going off until the last part when the cage drops, but then the sounds of the trap are looped or new sounds are played to make the trap seem longer than it actually is. Then before the flashback ends it cuts back to the board game showing the last half of the trap going off that would have really have been finished after a few seconds of Locke's conversation with the old lady. See more »


[last lines]
John Locke: [cries out to the hatch] I've done everything you wanted me to! So, why did you do this! Why!
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End Title
Written by Michael Giacchino
Performed by The Hollywood Studio Symphony
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User Reviews

The first Darlton script
26 July 2008 | by (prejudicemadeplausible.wordpress.com) – See all my reviews

"Deus Ex Machina" is the first "Lost" script to be penned by the writing team of Damon Lindelof and Carlton Cuse (both had written for the show previously, but not together), and although it is action-packed and entertaining I am going to have to declare "Deus Ex Machina" as slightly overrated. This is a very good episode with strong handling of themes, but it comes off, at times, as a failed attempt to match the emotional punch that "Walkabout" has. The final scene features not only similar devastation for Locke, but very similar music to that used in the "Walkabout" finale.

"Deus Ex Machina" features some of my favorite island-oriented scenes, in particular with Locke's faith being tested, the Nigerian drug plane dream sequence which I will fondly remember for causing the online fan community to go absolutely insane with theories and speculation. The interaction between Boone and Locke is typically excellent and of course there's no such thing as too much Locke in one episode.

The flashback, this time centered on John Locke, should be excellent but somehow manages to feel a bit too derivative and predictable, and even trying too hard to make us feel sorry for Locke. Let's just say it isn't my favorite flashback. Of course, it goes without saying that Kevin Tighe's Anthony Cooper is instantly one of the most despicable characters on "Lost" and genuinely hard to watch. Tighe's performance here is truly outstanding.

"Deus Ex Machina" is often regarded as second only to "Walkabout" among Locke-centric episodes but I found it too derivative and manipulative to stand out amongst other episodes. Still a very good episode with some key character moments and some interesting stuff about the island.


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