parallax
The crew tries to save a ship from jeopardy when Voyager is met by a quantum singularity—a star that collapsed in upon itself, creating a powerful surrounding energy field. But by helping, they find out that it was a mirror image of their ship and trapped themselves in the singularity. The crew of Voyager must now find the rip they came to escape; before it collapses!
time and again
Janeway and her crew investigate a planet, lifeless and in ruins. While investigating, Janeway and Paris are transported by a large subspace fracture into the past when the planet was full of life. They warn a group of polaric ion power protesters of their actions to be the cause of such catastrophy. But were they warning the right group?