7.6/1010 votes#1 - The Time Travel Enigma
Season 4 Episode 1 - Aired 5/15/2018
Time travel is less impossible than we think, and the newest discoveries in space and theoretical physics have us on the brink of cracking one of the universe's greatest puzzles.
Director: N/A
Writer: N/A
7.5/108 votes#2 - Mission to the Red Planet
Season 4 Episode 2 - Aired 5/22/2018
The latest science reveals what it would take to build colonies on Mars, and how our future on the Red Planet might be closer than we think.
Director: N/A
Writer: N/A
7.7/106 votes#3 - Hunt for the Edge of the Universe
Season 4 Episode 3 - Aired 5/29/2018
New discoveries are helping experts map the entire universe, and they are finding strange truths about the cosmos and its unimaginable size.
Director: N/A
Writer: N/A
7.9/107 votes#4 - Journey to Alien Earths
Season 4 Episode 4 - Aired 6/5/2018
New discoveries of alien earths reveal vital clues in finding extraterrestrial life. Using the latest science and technology, experts reveal the strange landscapes and oceans of these distant worlds.
Director: N/A
Writer: N/A
7.8/106 votes#5 - Wrath of the Black Hole
Season 4 Episode 5 - Aired 6/12/2018
New discoveries change everything known about black holes, and using the latest science and technology, experts reveal secrets to the mysterious behind these strange and deadly places.
Director: N/A
Writer: N/A
8.2/106 votes#6 - New Race to the Moon
Season 4 Episode 6 - Aired 6/19/2018
New discoveries reveal that our Moon could be the next home for human life, triggering a new international space race to make it the home of humanity's first space colony.
Director: N/A
Writer: N/A
7.6/105 votes#7 - Mars: The Next Frontier
Season 4 Episode 7 - Aired 6/26/2018
Modern-day explorers are competing in a new space race to send the first people to Mars, and cutting-edge technology might make the Red Planet the next home for humans life.
Director: N/A
Writer: N/A
8.2/106 votes#8 - Secret History of the Juno Mission
Season 4 Episode 8 - Aired 7/10/2018
NASA's Juno mission is the closest we've ever explored Jupiter, and its incredible images reveal the Gas Giant's deepest secrets and how this deadly world helped create our solar system.
Director: N/A
Writer: N/A
7.7/1010 votes#9 - Mystery of the Northern Lights
Season 4 Episode 9 - Aired 7/17/2018
The aurora borealis is one of Earth's most incredible sights, and new discoveries finally explain why these mysterious lights appear and what they reveal about the Sun's sinister and deadly powers.
Director: Tom Ranson
Writer: N/A
8.4/107 votes#10 - Pluto's Strange Secrets
Season 4 Episode 10 - Aired 10/14/2018
NASA's mission to Pluto gathered the first close-up pictures of this strange and distant world, and now, new discoveries and the latest science reveal the secrets of its alien features, which could point to extraterrestrial life.
Director: N/A
Writer: N/A
The Best Episodes of Space's Deepest Secrets Season 4
Every episode of Space's Deepest Secrets Season 4 ranked from best to worst. Discover the Best Episodes of Space's Deepest Secrets Season 4!
A new breed of explorer has taken space travel beyond the moon to unlock and reveal first-ever views of alien worlds and cosmic bodies far...
Genre:Documentary
Network:Science
Season 4 Ratings Summary
"The Time Travel Enigma" is the best rated episode of "Space's Deepest Secrets" season 4. It scored 7.6/10 based on 10 votes. Directed by N/A and written by N/A, it aired on 5/15/2018. This episode is rated 0.1 points higher than the second-best, "Mission to the Red Planet".