
A team of explorers made up of soldiers and scientists travels through a Stargate, an ancient portal to other planets. They use the Stargate to explore new worlds, forge ties with friendly civilizations and protect Earth from hostile forces. The TV series is based on the theatrical film "Stargate."

A mission at Stargate Command cuts short O'Neill's training session with a young Stargate team.

When Teal'c fails to materialize through the Stargate, the other SG-1 members race against time to save him.

Osiris goes to war with the System Lords, leading to a massive peace summit on a heavily armed space station.

Osiris goes to war with the System Lords, leading to a massive peace summit on a heavily armed space station.