Season: 2

Original Airdate: August 26, 2005

Writer(s): Treena Hancock & Melissa R. Byer

Director(s): Andy Mikita

Guest Stars
Jewel Staite as Ellia (Wraith)
John Innes as Zaddik
Stephen Dimopoulos as Goran
Tom Bates as Barkeep
Nico McEown as Boy
Blake Stadel as Younger Zaddik
Tanya Champoux as Screaming Woman
Kayma Seamark as 6-Year-Old Wraith

Synopsis: While experimenting with a retrovirus that could turn Wraiths back into humans, Dr. Beckett inadvertently puts Sheppard’s life at risk.