Proving worthy of the last obstacle (the dragon) SG-1 along with Adria (Morena Baccarin) and Ba’al (Cliff Simon) try once again to remove the Sangraal. Still unable to remove the jewel all but Adria are transported to a hidden cave where they find Merlin (Matthew Walker) encased in ice. Apparently a plan by Morgan Le Fay to destroy the Sangral but preserve the man who could construct another, hiding his whereabouts by using an obelisk and Stargate to relocate the cave at set time intervals. Reviving the old mage Daniel Jackson (Michael Shanks) explains the new struggle against the Ori and convinces him to again build a device to destroy them.
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