10 Greatest "I'm Dead And I Know It" Moments From Stargate

Elizabeth Weir was the first commander of the Pegasus expedition, and though Tori Higginson was excellent in the role, Weir herself was never originally intended to be a main character. Instead, she was to have been a little like General Hammond - very much present and in charge, though without taking part in the weekly adventures. This led to a bit of friction behind the scenes.

Weir was written out of the show in the fourth season, with her last appearance in Be All My Sins Remembered. It was a cliffhanger ending, very much suggesting the audience was about to see some intense Replicator business. And then, nothing.

The character returned in the following season, this time played by Michelle Morgan. It was explained that she simply got changed, thanks to her Replicator status. No one was under any illusion that, at the time, it wasn't down to bad blood backstage. However, Morgan delivers an excellent performance in Ghost In The Machine, playing the leader of a new faction of Replicators. However, though she tried to teach them the tenets of morality, she quickly learned that they couldn't be controlled.

Her last look at Woolsey, Sheppard, and the gate room is tinged with sadness. She steps through the gate, emerging on the other side, which encourages her comrades to follow. Then, it is revealed they were dumped into space. Though her death was heroic, it is a tragic ending to a great character.