|An episode from Stargate Atlantis|
Col John Sheppard is mutating.
|Directed by||Brad Turner|
Robert C. Cooper|
|Adaptation on television||Martin Gero|
|Original air date||
USA: September 9, 2005|
UK: December 7, 2005
|Colonel Sheppard begins to undergo a disturbing physical transformation after being exposed to Beckett's anti-Wraith drug.|
- Even if "Conversion" is obviously the direct following of "Instinct", this episode is not counted as Part 2 of 2 because of the lack of the "To Be Continued" slide at the end of "Instinct" as well as the "And now the conclusion" line after the "Previously on Stargate Atlantis" recap.