The Wraith attack Earth, a major character may or may not bite it, and it's frakkin' awesome.

Well, it's pretty good for something reportedly produced in a rush. According to Gateworld, the producers of Stargate Atlantis learned about the show's cancellation during the shooting of "Identity," the third-to-last episode of the current season. They were forced to scrap ideas for a sixth season and make this Friday's season ender, "Enemy at the Gate," the series finale.

Clips and moderate spoilers after the jump.