Season 4, Episode 20 - "The Last Man (1)"
6 March, 2008
Last Episode of the Season. Sheppard returns from a mission and finds Atlantis abandoned and surrounded by sand dunes. He soon finds a hologram of Dr. McKay, who tells him he has come 48,000 years into the future, and everyone is long dead. But the McKay hologram has a plan to save the city and restore Sheppard to his own time.
