Rodney is infected with a deadly illness known as "second childhood" which diminishes his mind capabilities and makes him lose his memory gradually.



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While on an off-world mission, Rodney McKay acquires a parasitic organism and over a period of a few weeks, degenerates into a child-like reverie. His sister Jeannie travels to Atlantis to be with him in what everyone believes will be his final few days. Ronan however recalls a fable from his youth of a shrine where people reverting to their childhood much like McKay could go with their friends and family and become lucent for one last day. It works but McKay isn't too keen on it being his last day of life and Dr. Keller suggests thew only other option is for her to operate. Written by garykmcd

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Release Date:

22 August 2008 (USA)  »

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Sound Mix:

(5.1 surround)| (Dolby 5.1)


Aspect Ratio:

16 : 9
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Did You Know?


This is the 300th episode of the Stargate franchise. See more »


Colonel Sheppard, upon dialing Atlantis from the flooded planet, tells Woolsey to not lover the Stargate shield "or the entire tower will be flooded." In the Stargate SG-1 episode 'Watergate' it is established that a submerged Stargate would not allow the water to pass through it because of the kind of constant pressure that it exerts on the wormhole. It is conceivable that Sheppard may not have known this, however. See more »


Dr. Rodney McKay: Remind me to register a complaint with whoever's idea this was.
Dr. Jennifer Keller: Uh, it was yours actually.
Dr. Rodney McKay: Oh, well complaint duly registered.
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Referenced in Stargate: Atlantis: Brain Storm (2008) See more »


Main Title
Composed by Joel Goldsmith
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User Reviews

The best of the entire series
27 October 2010 | by (United States) – See all my reviews

After viewing all the episodes of the entire series, one by one each night, I had to come back to this one. The emotional content is just so rich and moving. David and Kate Hewlett are outstanding of course, but after watching it again I was so surprised and gratified to see the little emotional gems and currents from the other characters.

Ronon trying to comfort Jeannie was touching and funny, and the little byplay between Ronon and Dr. Keller shows his affection for her and her awareness of it, and her dismissing of his grumbling when he checks out clean on the scan that he didn't feel he needed anyway. It was a nice little touch, about a second long, given by her facial expression and the tone of her voice, a little quiet aside while someone else is talking, and it was wonderful.

But for me the most touching part, which only became more clear after having seen the entire episode (and the rest of the season), was that gentle, quiet, reassuring tone in which Dr. Keller spoke to Rodney, in the very first scene of this episode, and carried through in all the videos Rodney made which chronicled his deterioration. In that quiet, understated way, Jewel Staite's performance spoke volumes. It was beautiful, especially the end.

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