SG-1 discovers an elderly man known for developing technology to fight the Goa'uld. Daniel is tricked into switching bodies with the man, Ma'chello, who believes he is "owed" for all the good he has done.
Genres: Action & Adventure , Sci-Fi & Fantasy
Keywords: advanced-ancient-civilization , alien , alien-planet , distant-planet , military , secret-military-program , space , space-travel , travel , wormhole , watch-series-online