Trivia: The show's two hour premier broke the SCI-FI's ratings record by attracting over 4.2 million viewers. It was also the most watched cable program that day.
Trivia: Rodney McKay's sister, Jeannie Miller is played by Kate Hewlett who is David Hewlett's sister in real life.
Trivia: In the final episode, 'Enemy at the gates' Sam Carter says that the new ship is to be named the General George Hammond in memory of the character Hammond who had died of a heart attack. This is a tribute to Don S. Davies, who played Hammond, who sadly died of a heart attack in June 2008, shortly after filming Stargate Continium.
Irresistible - S3-E3
Trivia: Richard Kind who plays Lucius Lavin in this episode also appears as Gary Meyers in the original Stargate movie.
Chosen answer: Because the ZPM allowing them to dial Atlantis was being used at the Antarctic defense outpost. They couldn't risk making Earth vulnerable to attack from Anubis by depleting it with repeated dialing to the Pegasus galaxy. Once they knew Atlantis was in serious danger, they had no choice.
Grumpy Scot
ZPM from Antarctic was depleted in first dial, dial in Siege was done via ZPM from Egypt (SG-1: Moebius Part-1/2).