This series reveals worlds never seen before; stunning CGI animation peels back the layers, revealing alien landscapes of fragile lava caves, roiling plasma seas, cosmic platinum mines, and the hungry black hole at the center of our galaxy – cosmological wonders that play a surprising role defining our place in the universe.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Secrets of the Black Hole | 2014-11-12 | 60 min |
| Season 1 | Episode 2 | Inside the Sun | 2014-11-19 | 60 min |
| Season 1 | Episode 3 | Killer Asteroids | 2014-11-26 | 60 min |
| Season 1 | Episode 4 | Expedition Mars | 2014-12-03 | 60 min |
| Season 1 | Episode 5 | Alien Worlds | 2014-12-10 | 60 min |
| Season 1 | Episode 6 | Hunting a Comet | 2014-12-17 | 60 min |
| Season 2 | Episode 1 | Supermassive Black Holes | 2015-06-19 | 43 min |
| Season 2 | Episode 2 | Extreme Stars | 2015-06-26 | 43 min |
| Season 2 | Episode 3 | Hunt for the Big Bang | 2015-07-03 | 43 min |
| Season 2 | Episode 4 | Jupiter: The Sun's Secret Twin | 2015-07-10 | 43 min |
| Season 2 | Episode 5 | Mystery of the Hidden Universe | 2015-07-17 | 43 min |
| Season 2 | Episode 6 | Solar System: Hunt for the Missing Planet | 2015-07-24 | 43 min |
| Season 3 | Episode 1 | Mystery of the Alien Asteroid | 2018-10-22 | 60 min |
| Season 3 | Episode 2 | Hunt for the Missing Black Holes | 2018-10-29 | 60 min |
| Season 3 | Episode 3 | The Moon's Dark Secret | 2018-11-05 | 60 min |
| Season 3 | Episode 4 | Inside Saturn's Rings | 2018-11-12 | 60 min |
| Season 3 | Episode 5 | Secret History of the Solar System | 2018-11-19 | 60 min |
| Season 3 | Episode 6 | Inside Mega Space Storms | 2018-11-26 | 60 min |
| Season 3 | Episode 7 | Secrets of the Alien Megastructure | 2018-12-03 | 60 min |
| Season 3 | Episode 8 | Hunt for the Missing Moons | 2018-12-10 | 60 min |
| Season 3 | Episode 9 | Pluto's Strange Secrets Revealed | 2018-12-17 | 60 min |
| Season 3 | Episode 10 | Hunting the Holographic Universe | 2018-12-24 | 60 min |
| Season 4 | Episode 1 | Mission to Mars | 2020-10-28 | 60 min |
| Season 4 | Episode 2 | Hunting White Holes | 2020-10-28 | 60 min |
| Season 4 | Episode 3 | Mystery of the Milky Way | 2020-11-04 | 60 min |
| Season 4 | Episode 4 | Jupiter: Secrets of the Solar System | 2020-11-04 | 60 min |
| Season 4 | Episode 5 | Secrets of the Asteroids | 2020-11-11 | 45 min |
| Season 4 | Episode 6 | Inside Space's Great Wall | 2020-11-11 | 45 min |
| Season 4 | Episode 7 | Mystery of the Dead Planets | 2020-11-18 | 45 min |
| Season 4 | Episode 8 | Mystery of the Giant Ice Planets | 2020-11-18 | 45 min |