Buck Rogers in the 25th Century (1979)

S2E5 The Guardians

Title: The Guardians Plot: While exploring a desolate planet, Buck and Hawk stumble upon an elderly man on the brink of death, who bequeaths them a strange, radiant green box. Once back aboard the Searcher, the crew begins to experience a flurry of surreal visions triggered by the box. Unbeknownst to them, the box has seized control of the ship, propelling it at astonishing speeds toward an enigmatic location, leaving the crew in a state of confusion and fear.