Every season of Secrets of the Universe ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Secrets of the Universe!

Secrets of the Universe launches viewers on eight mind-blowing adventures to seek answers to some of the Universe’s biggest mysteries. How did the Universe begin? Are there other Earth-like worlds? What is life? Each stand-alone film tells the remarkable stories of the missions and the breakthroughs that have revolutionized our understanding of the cosmos, featuring many of the world’s top space scientists, engineers, and explorers. They reveal not just wonderful far away vistas and amazing science, but also the powerful human stories that reveal the dedication and perseverance needed to explore the Universe for all of humanity.

The Best Seasons of Secrets of the Universe

Every season of Secrets of the Universe ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Secrets of the Universe!