Stargate SG-1 (1997)

S3E4 Legacy

Title: Heritage Plot: As Daniel spirals into madness, SG-1 faces the repercussions of Machello's technology designed to combat the Goa'uld. With time running out, the team must unravel the mysteries surrounding this powerful legacy while trying to save Daniel from his deteriorating state. They confront unexpected challenges and revelations that test their loyalty and courage, all while racing against the clock to find a solution that could save not only their friend but potentially the galaxy from Goa'uld domination.