Craig Veroni

A game causes one of the Athosian children to open a unit and unleash a dark entity. They soon realise that the harmless-looking cloud is anything but.

Fleeing from an encounter with the Wraith, the team's ship gets lodged in the Stargate. Meanwhile, Sheppard is paralysed by an alien symbiote feeding off his life force.

Wraith ships on a mission to kill the team and take the lost city. Is reprogramming Atlantis to self-destruct really the only solution?

The team find an ideal sanctuary from the Wraith, but the local people think their goddess will be displeased.

The city is locked down after residents are infected with a deadly virus.

Martha slips into a coma after inhaling kryptonite-irradiated spores. Clark loses his powers when he breathes in the same spores, but he is Martha's only hope for survival, and Lex continues his search for the truth about Clark.