Stargate SG1 ep9-8 and Atlantis ep2-8
 

Stargate SG-1
Sci-Fi Channel Sep 09 07:00pm
Series/Sci-Fi/Fantasy, 60 Mins.
"Babylon" Episode #908.
Lt. Col. Mitchell disappears while attempting to make contact with a group of legendary Jaffa warriors.

Stargate Atlantis
Sci-Fi Channel Sep 09 08:00pm
Series/Sci-Fi/Fantasy, 60 Mins.
"Conversion" Episode #208.
The team races to find a cure for the retrovirus that is mutating Sheppard into a Wraith.