How the Universe Works Season 9 Episode release dates & where to watch

1. Journey to a Black Hole

Journey to the heart of the M87 supermassive black hole, the first and only black hole ever photographed, and explore the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.

2. Mission to a Comet

Experts embark on a ground-breaking mission to land on a comet.

3. Secrets Of The Sun

A brand-new NASA mission to the Sun reveals cutting-edge discoveries about Earth's star; as the Parker Solar Probe dives through the Sun's atmosphere, what it finds challenges everything known about this strange place.

4. Aliens of the Microcosmos

New discoveries reveal the power of microscopic alien organisms.

5. Curse of the White Dwarf

Dead stars called white dwarfs may be the key to understanding the cosmos.

6. War of the Galaxies

Galaxies are locked in continual combat across the universe, and our own Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.

7. The Next Supernova

The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.

8. Secret Lives Of Neutrinos

Neutrinos are the most mysterious particles in the universe, and they power some of the most explosive events in the cosmos; new discoveries reveal how these ghosts pass through objects undetected and why they could be the reason humans exist.

9. Birth of Monster Black Holes

New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.

10. Gravitational Waves Revealed

Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe’s greatest mysteries.

11. Mystery of Alien Worlds Finale

New discoveries reveal the secrets of mysterious alien worlds.