At the end of Stargate: Atlantis' season one episode Childhood's End

McKay reactivates the EM shield to continue protecting the villages from the threat of the Wraith.

Given that the puddle-jumper is deactivated by the device, how

are they going to fly it back to the stargate if the shield is now activated once again? You can even hear the puddle-jumper powering up at the end of the episode.

I don't know if the answer would involve speculation, since the answer was not apparent to me during the episode, but I would be interested in either fact or speculation.

1 Answer 1


It has been years since I've seen Stargate Atlantis, but I looked at a transcript of the episode here: gateworld.net

The episode makes it clear that the device does not protect the entire planet, but only the area around the village. (The ZPM does not have enough power) When McKay returns to the planet, he says:

I've parked the Jumper outside the E.M. field, so we should be able to leave as soon as I finish.

That means all the scenes at the puddle jumper take place outside the field.

  • 1
    You took the words right off of my keyboard... Gosh, I miss SGA Commented Jan 12, 2016 at 10:06
  • 2
    I missed that bit of dialogue! The writers of this show don't seem to miss a beat when it comes to technicalities and scientific quandaries. However, it is interesting to note that after parking the jumper, McKay increases the field generator's strength by 50%. Perhaps he had already devised a method to increase the field strength and had parked the jumper well outside the area he had planned to cover. Commented Jan 12, 2016 at 10:38
  • @OranD.Lord Increasing the strength of the field does not necessarily mean that he increased the size of the field. He could have left the area it covered the same while just increasing the power of the field itself.
    – Keeleon
    Commented Jan 12, 2016 at 13:44
  • 2
    @Keeleon McKay: "I've been able to boost the coverage by over fifty percent without too much of a power increase so, uh, should be enough for a sizeable population growth." (from the transcript)
    – Dennis_E
    Commented Jan 12, 2016 at 13:49
  • @Dennis_E Thanks for the clarification!
    – Keeleon
    Commented Jan 12, 2016 at 13:49

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