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.

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

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

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

Jonathan races to find a cure when his wife and son fall ill; a doctor demands an explanation from Jonathan when he refuses to let her treat Clark.