A visit to a Goa’uld outpost reveals nothing but dead, decaying bodies – possibly due to a disease – sending SG-1 scrambling for their hazmat gear. When the team returns to Earth, Daniel begins hearing things and even seeing things, including a vivid by unlikely vision of one of the Goa’uld corpses emerging from a stargate in his quarters. Further hallucinations force Daniel to undergo a medical and psychiatric evaluation, and the latter reveals classic signs of schizophrenia. Another incident, in which Daniel thinks he sees a Goa’uld infest O’Neill, leaves little choice but to institutionalize Daniel. When his teammates visit him next, Daniel is locked in a padded cell, and is certain he sees something emerge from his body and enter Teal’c. Daniel slowly begins to recover, but can’t get anyone to listen to him when he says he’s heard the voice of Ma’chello, the inventor of anti-Goa’uld weaponry who once swapped bodies with Daniel. And if Daniel is right, Teal’c is in mortal danger.
written by Tor Alexander Valenza
directed by Peter DeLuise
music by Joel Goldsmith
Guest Cast: Kevin McNulty (Dr. Warner), Eric Schneider (Dr. Mackenzie), Teryl Rothery (Dr. Fraiser)
Notes: SG-1 met Ma’chello in the second season episode Holiday, and he was played in both episodes by Michael Shanks in age makeup.
LogBook entry by Earl Green