Star Trek: Voyager (1995)

S1E9 Prime Factors

Stardate: 48642.5. The crew of Voyager is presented with an enticing opportunity for a lavish shore leave by the friendly Sikarians, who possess a remarkable device capable of bringing the ship 40,000 light years nearer to Earth. Unfortunately, the Sikarians’ laws firmly forbid them from sharing their advanced technology with outsiders.