Crystal Skull
An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.
Episodes
21
Crystal Skull 44
An alien artifact causes Daniel to disappear, and the team looks for help from his institutionalized grandfather.
22
Nemesis (1) 44
SG-1 faces creatures of mass destruction that even the Asgard can’t control, and must destroy Thor’s infested vessel before the Replicator bugs reach Earth.
