Aliens of Amphipolis

Introduction
When Xena was crucified by the Romans in episode 89, The Ides of March, she was taken, half dead, to the Moon. Xena's mind was transferred into a nanorobotic replica of Xena that was sent back to Earth. The nanorobotic replica of Xena stayed on Earth for many years, finally being retired from service on Earth after the events depicted in the last episode of the series.

The biological Xena was cloned on the Moon, and a series of increasingly long-lived clones have existed down through time to the present. Each in the series of clones has been raised by the nanorobotic replica of Xena, resulting in close personality similarities between the clones and the original Xena. Occasionally, these Xena clones have been sent to Earth for special missions. When FBI Agent Monica Reyes of The X-Files is taken to the Moon by Gary Seven (see Moon Reyes), she meets a clone of Xena. The story begins....