Stargate Atlantis, episode 2x11, "Outcast"
Airdate 1 February 2008 (Season 4, Episode 15)
Written by Allan McCullough, based on an idea by Joe Flanigan
Directed by Andy Mikita
Dylan Neal plays Dave Sheppard, brother of the Colonel.
Colonel Sheppard receives a message from Earth that his father had passed away. He travels to Earth and goes to the funeral, where is he is approached by a girl named Eva Dickson. She knows all about the nanite project and takes Ronan and Sheppard on a trip to a lab.