Stargate Infinity

A research team finds a sarcophagus holding an alien worm creature. Meanwhile An alien shapeshifter has infiltrated the base. Bonner leads the trainees and recovers the creature but ends up being accused of a crime.

Cut off by Nephestis, the team visits a jungle planet where the inhabitants, the Thorn, are dying of a disease Bonner may have accidentally brought to the world on another mission. Meanwhile, the Ancient learns English and acquires a name…Draga.

The team arrives on a planet that has a mysterious "Guide" stone. Gus, Draga, and Seattle get captured and taken through the Stargate along with the Guide. They end up in a trap, and they are stuck. Will Draga use her powers to escape?

Gus and Ec'co go to Ec'co's mother's home planet. Although Ec'co looks like the native people, they consider him as a half-breed alien. While Ec'co proves himself, he and Gus get crucial information about the Tlak'kahn enemy.

Gus and the trainees encounter a former SG team leader whose free-wheeling style inspired Gus as a young officer. Gus is in for a huge disappointment when his friend betrays Gus and the trainees to Da'kyll.

When Gus and the trainees jump through to a planet almost completely covered with water, Harrison brags about his swimming ability. The boasting backfires when one of the local amphibious aliens forces Harrison into a dangerous underwater race.