The Planets - Episode Guide

The series kicks off with an episode on Jupiter, which will look at recent discoveries by NASA's Juno mission that reveal new secrets about this strange world that is more akin to a star than a planet. As scientists uncover what lies beneath Jupiter's violent storms, our understanding of the solar system could change forever.

Astronaut Mike Massimino reveals the answers to some of the greatest mysteries on the Red Planet. Using the most detailed survey of Mars ever created, he discovers the dark history of our closest neighbor.

Astronaut Mike Massimino explores Venus, a hellish planet covered in active volcanoes and dense clouds. Using cutting-edge technology, he decodes the secrets beneath this volatile planet and investigates if Earth could be heading towards the same fate.

Astronaut Mike Massimino reveals the mysterious secrets of Saturn and its rings; using the latest science from the Cassini mission, he explores the planet's giant icy geysers, powerful hurricanes, and moon that may be hiding extraterrestrial life.

Astronaut Mike Massimino investigates the possibility of a giant ninth planet at the edge of the solar system; using the latest technology, he reveals the incredible secrets of this mysterious world.

Astronaut Mike Massimino explores the dwarf planet Pluto, a tiny frozen world surrounded in secrets; using the latest science, he investigates the possibility of life in its mysterious ocean.

Astronaut Mike Massimino explores the incredible new alien planets being found daily by astronomers; using the latest science, he investigates everything from worlds that appear to eat light to planets that resemble Earth in shocking ways.

Astronaut Mike Massimino reveals the mysterious secrets of the Moon, a world permanently tied to Earth; using new research, he uncovers the mysterious origin of the Moon and how it kick-started life on Earth.

Astronaut Mike Massimino uses the latest science to reveal the strange secrets of planet Earth, and explores whether alien Earths exist elsewhere in the universe.

Astronaut Mike Massismino uncovers the violent secrets of the most deadly planets outside our solar system.

Astronaut Mike Massimino explores the dark secret of the Milky Way, the home of both Earth and a terrifying supermassive black hole.

Astronaut Mike Massimino uses the latest NASA discoveries to explore the dark and mysterious frontiers of our solar system.

Astronaut Mike Massimino journeys to Uranus and Neptune, the farthest planets from the sun and the home to some of the solar system's strangest mysteries.

Astronaut Mike Massimino explores the universe's strangest alien galaxies, strange places that could be home to extraterrestrial life and deadly supermassive black holes.

Astronaut Mike Massimino explores Mercury, a deadly and tiny planet that faces constant attacks from the Sun, and which might one day pose a threat to all life on Earth.

Astronaut Mike Massimino reveals the alien secrets of comets, strange visitors from deep space that might be responsible for life on Earth.

Astronaut Mike Massimino journeys to the sun, revealing the secrets of Earth's star and how it will one day destroy the planet.

Astronaut Mike Massimino uncovers the strange and violent birth of our solar system and reveals how its planets were built from the wreckage of bygone alien worlds.

Astronaut Mike Massimino explores dwarf planets of our solar system, mysterious worlds like Pluto that are too small to be a planet, but are home to some of the universe's biggest secrets.

Astronaut Mike Massimino journeys to the deadliest stars in the universe, and though these terrifying suns can rip planets apart, they might be integral to life on Earth.

Astronaut Mike Massimino uses the latest science to explore the alien volcanoes of distant worlds and reveals if they are hotbeds for extraterrestrial life.

Mike Massimino journeys to the alien moons of our solar system, and discovers if these strange worlds could be habitable for life beyond earth.

Astronaut Mike Massimino explores the mysterious oceans of our solar system, where the latest discoveries provide new clues in the search for alien life.

Astronaut Mike Massimino explores Mars's greatest mysteries.

NASA's Cassini spacecraft concludes its 20-year mission to explore Saturn and its moons; astronaut Mike Massimino unveils what happened during Cassini's thrilling final moments, and how its incredible discoveries revealed Saturn's deepest secrets.

Astronaut Mike Massimino explores the greatest mysteries of our solar system's two gas giants, Saturn and Jupiter.

Astronaut Mike Massimino explores the strange secrets of Planet 9, a mysterious world at the edge of the solar system.

Mike Massimino explores Pluto's greatest mysteries.

Astronaut Mike Massimino explores the secrets of some of the strangest planets in our universe.

Astronaut Mike Massimino reveals new discoveries about Mars that are changing everything we know about the red planet. This episode is a mashup of "The Planets" S01E02 "Mars: The Definitive Guide" and "How the Universe Works" S05E06 "Life and Death on the Red Planet."

Astronaut Mike Massimino explores the mysteries of the Earth and the Moon's special relationship. This episode is a mashup of S02E01 "Earth: The Secret History" and S01E08 "The Moon: Earth's Guardian Angel."

Astronaut Mike Massimino journeys to the mysterious planets that might be home to alien life. This episode is a mashup of S02E02 "Alien Planets: Cosmic Nightmares" and S01E07 "Alien Worlds: Stranger Than Fiction."

Astronaut Mike Massimino reveals the terrifying secrets of the Milky Way's deadliest monsters. This episode is a mashup of "The Planets" S02E03 "Milky Way: The Monster Inside" and "How the Universe Works" S06E04 "Death of the Milky Way." Episode Name aka "Monsters of the Milky Way."

Astronaut Mike Massimino uses the latest NASA discoveries to explore the dark and mysterious frontiers of the solar system. This episode is a mashup of "The Planets" S02E04 "Ends of the Solar System: Strange Frontiers" and S01E05 "Planet 9: The Lost World."

Astronaut Mike Massimino explores the strange secrets of our solar system's largest planets. This episode is a mashup of "The Planets" S02E05 "Ice Giants: The Frozen Aliens" and Special "Saturn: The Cassini Secrets."

Astronaut Mike Massimino explores the dark mysteries of comets, revealing the latest discoveries about these alien worlds. This episode is a mashup of episodes from two other series: "Strip the Cosmos", S01E06, "Hunting a Comet" and "How The Universe Works", S02E06, "Comets - Frozen Wanderers".

Astronaut Mike Massimino explores the deadly secrets of the Sun. This episode is a mashup of episodes from two other series: "Strip the Cosmos", S01E02, "Inside the Sun" and "How The Universe Works", S03E01, "Journey From the Center of the Sun".

Astronaut Mike Massimino explores one of the deadliest planets in our solar system, as well as the places with the best chance of alien life. This episode is a mashup of "The Planets", S02E07, "Mercury: The Cursed Planet" and "Space's Deepest Secrets", S03E07, "Expedition Extraterrestrial."

Mike Massimino explores how galaxies work and the dangerous forces lurking inside of them. This episode is a mashup "The Planets", S02E06, "Alien Galaxies: the Strange Secrets" and S02E03, "Milky Way: the Monster Inside".

Astronaut Mike Massimino reveals the strange truth behind the sun's greatest mysteries. This episode is a mashup of "The Planets", S02E09, "The Sun: Secrets of Our Star" and "How The Universe Works", S03E01, "Journey From the Center of the Sun".

Astronaut Mike Massimino uncovers the strange secrets of Earth's Solar System. This episode is a mashup of "The Planets", S02E10, "The Solar System: Alien Origins" and S02E04, "Ends of the Solar System: Strange Frontiers".

Astronaut Mike Massimino reveals the strange and deadly secrets of the universe's alien worlds, inside and outside of our solar system. This episode is a mashup of "The Planets", S02E11, "Dwarf Planets: Aliens Among Us" and S01E07, "Alien Worlds: Stranger Than Fiction".

Astronaut Mike Massimino explores the deadliest and most extreme stars in our universe. This episode is a mashup of "The Planets", S02E12, "Alien Stars: Mystery of the Monsters" and "Space's Deepest Secrets", S02E08, "Rise of the Monster Star".

Astronaut Mike Massimino explores the fiery volcanoes of alien worlds and earth. This episode is a mashup of "The Planets", S02E13, "Alien Volcanoes: Life in Hell" and "Space's Deepest Secrets", S02E05, "Mysteries of Alien Volcanoes".

Astronaut Mike Massimino explores the most bizarre alien moons in our solar system and reveals the strange secrets of our own. This episode is a mashup of "The Planets", S02E14, "Alien Moons: the Next Earth" and S01E01, "Jupiter: King of the Planets".

Astronaut Mike Massimino explores the oceans of our solar system and the alien origins of Earth's own seas. This episode is a mashup of "The Planets", S02E15, "Alien Oceans: Search for Life" and "How the Universe Works", S04E07, "The First Oceans".

For the first time, an image of black hole has been revealed, and experts show how they did it, what they saw, and the incredible significance of this groundbreaking discovery.