Lt. Colonel John Sheppard is a fictional character portrayed by Joe Flanigan in the TV series Stargate SG-1.
In the first episode they appeared in, titled The Pegasus Project (season 10), they were 39 years old.
They appear in 1 episodes out of a total of 213 aired
Episodes1
The Pegasus Project
episode S10.E3 july 2006While Daniel and Vala search for Merlin's anti-Ori weapon in Atlantis' library, Mitchell, McKay and Carter try to to dial the Ori Supergate in the Milky Way.