Peter, Olivia, Walter, Astrid and Broyles face off against the Observers in one final and extraordinary battle for the fate of mankind.

Lana has a stalker which leads her to an unexpected hideout. Also, Chloe has to reevaluate her feelings for Clark after she and Jimmy break up due to Jimmy’s belief…

Rodney McKay goes in search of his sister on Earth after she is kidnapped by the head of a powerful corporation.

When an operative of the Trust plants a bomb in Atlantis, the team must find a spy within their own ranks before the Wraith arrive and discover the city.

Colonel O’Neill is charged with the murder of Senator Kinsey, and the rest of the team must uncover a conspiracy in order to clear his name.

SG-1 hatches an elaborate plan to try and capture Adria, using Vala as bait.

When Ba’al comes to Earth seeking help, Stargate Command must capture his clones and determine which one is the genuine article.

SG-1 investigates when evidence suggests that there are still Goa’uld hiding on Earth — including a former System Lord. Tensions between Earth and the Free Jaffa continue to mount.

SG-1 investigates a secret N.I.D. laboratory, where a ruthless scientist has used cloning technology to create a Goa’uld-human hybrid.

An alien ship approaches Earth, sending SG-1 to an old friend for some answers — where they discover that Martin Lloyd has created a TV show about the Stargate program.

When a detective mysteriously uncovers the remains of an FBI agent who disappeared in the 1940s while investigating a similar murder case to one she is now on, Mulder and…