Stargate S.G. 1 - Series 9: Vol. 3

Season 9 Volume 46

9.9 Prototype:

The team finds an underground laboratory and a man frozen in a stasis pod - Khalek, a prisoner of a Goa'uld. But Khalek was not his prisoner - Khalek was his creation. Daniel's instinct is that if Khalek can't ever be confined safely, he should be killed before he can complete his evolution.

9.10 The Fourth Horseman:

Carter is determined to design a weapon that can defeat the Prior's superhuman powers. Daniel and Mitchell must track down a Prior, then hope that Carter's weapon really can suppress a Priors' powers. If it doesn't, and they fail, Earth's entire population will die with them.

9.11 The Fourth Horseman (Part 2):

Landry begins to fear that SG-1 may be soon facing a global pandemic. Mitchell and Daniel return with a dazed Prior in tow. The team is shocked to receive the worst news yet when the captured Prior reveals the Oris horrifying master plan: to completely obliterate the Ancients.