Clark discovers that Jor-El was on Earth forty years ago. Lana’s great uncle, who was convicted of murdering his wife forty years ago, shows her a picture of the man…

The crew rescues two people from a spaceship, the leaders of opposing sides in a long civil war on a nearby planet. The two warring sides have built an immense…

Frank enters a hospital emergency room looking for Catherine, who is working the night shift in child counseling. Suddenly, paramedics rush in with a bloodied woman on a gurney. Frank…

Widespread panic is caused in a small community after numerous deaths are linked to killer cockroaches, and a government agricultural agency is discovered to have set up a secret experiment…

A teenage boy shows up at the S.G.C. claiming to be Jack O’Neill, sending the team on a mission to uncover his true identity.

Mulder and Scully investigate the deaths of two men believed to have been killed by a powerful psychokinetic force.