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Tonight
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How the Universe Works
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THE TOP FIVE
01
9.2
WHEN NASA MET JUPITER
S08E06
02
9.2
MYSTERY OF ALIEN WORLDS
S09E11
03
9.1
CURSE OF THE COSMIC RAYS
S10E02
04
9.0
HUNT FOR ALIEN LIFE
S07E08
05
9.0
MISSION TO A COMET
S09E02
THE LOW
SECRETS OF TIME TRAVEL · S08E05
SERIES AVG
8.4
BEST SEASON
S10
SEASONS
11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
S01E01 Big Bang — 8.0
S01E01
8.0
S01E02 Black Holes — 7.9
S01E02
7.9
S01E03 Galaxies (aka Alien Galaxies) — 7.6
S01E03
7.6
S01E04 Extreme Stars — 8.1
S01E04
8.1
S01E05 Supernovas — 8.4
S01E05
8.4
S01E06 Planets (aka Extreme Planets) — 8.7
S01E06
8.7
S01E07 Solar Systems — 8.6
S01E07
8.6
S01E08 Moons (aka Alien Moons) — 8.4
S01E08
8.4
S02E01 Volcanoes - The Furnaces of Life — 8.0
S02E01
8.0
S02E02 Megastorms - The Winds of Creation — 8.3
S02E02
8.3
S02E03 Exoplanets - Planets from Hell — 8.3
S02E03
8.3
S02E04 Megaflares - Cosmic Firestorms — 7.9
S02E04
7.9
S02E05 Extreme Orbits - Clockwork and Creation — 8.0
S02E05
8.0
S02E06 Comets - Frozen Wanderers — 8.4
S02E06
8.4
S02E07 Asteroids - Worlds That Never Were — 8.6
S02E07
8.6
S02E08 Birth of the Earth — 8.7
S02E08
8.7
S03E01 Journey from the Center of the Sun — 8.4
S03E01
8.4
S03E02 The End of the Universe — 7.9
S03E02
7.9
S03E03 Jupiter: Destroyer or Savior? — 8.4
S03E03
8.4
S03E04 First Second of the Big Bang — 8.0
S03E04
8.0
S03E05 Is Saturn Alive? — 8.1
S03E05
8.1
S03E06 Weapons of Mass Extinction — 8.3
S03E06
8.3
S03E07 Did a Black Hole Build the Milky Way? — 8.3
S03E07
8.3
S03E08 Our Voyage to the Stars (aka Starman) — 8.2
S03E08
8.2
S03E09 The Search for a Second Earth — 8.5
S03E09
8.5
S04E01 How the Universe Built Your Car — 8.3
S04E01
8.3
S04E02 Earth: Venus's Evil Twin — 8.7
S04E02
8.7
S04E03 Monster Black Hole — 7.5
S04E03
7.5
S04E04 Edge of the Solar System — 8.6
S04E04
8.6
S04E05 Dawn of Life — 8.3
S04E05
8.3
S04E06 Secret History of the Moon — 8.6
S04E06
8.6
S04E07 The First Oceans — 8.6
S04E07
8.6
S04E08 Forces of Mass Construction (aka Magnetism) — 8.5
S04E08
8.5
S05E01 Mystery of Planet 9 — 8.3
S05E01
8.3
S05E02 Black Holes: The Secret Origin — 7.6
S05E02
7.6
S05E03 Secret History of Pluto — 8.6
S05E03
8.6
S05E04 Stars That Kill — 8.4
S05E04
8.4
S05E05 The Universe's Deadliest — 8.1
S05E05
8.1
S05E06 Life and Death on the Red Planet — 8.1
S05E06
8.1
S05E07 The Dark Matter Enigma — 7.6
S05E07
7.6
S05E08 Strangest Alien Worlds — 8.7
S05E08
8.7
S06E01 Are Black Holes Real? — 7.8
S06E01
7.8
S06E02 Twin Suns: The Alien Mysteries — 8.5
S06E02
8.5
S06E03 Dark History of the Solar System — 8.5
S06E03
8.5
S06E04 Death of the Milky Way — 8.0
S06E04
8.0
S06E05 Uranus & Neptune: Rise of the Ice Giants — 8.6
S06E05
8.6
S06E06 Secret History of Mercury — 8.5
S06E06
8.5
S06E07 The Quasar Enigma — 8.0
S06E07
8.0
S06E08 Strange Lives of Dwarf Planets — 8.4
S06E08
8.4
S06E09 War on Asteroids — 8.3
S06E09
8.3
S06E10 Mystery of Spacetime — 7.7
S06E10
7.7
S07E01 Nightmares of Neutron Stars — 8.8
S07E01
8.8
S07E02 When Supernovas Strike — 8.9
S07E02
8.9
S07E03 The Interstellar Mysteries — 8.4
S07E03
8.4
S07E04 How Black Holes Made Us — 8.4
S07E04
8.4
S07E05 Secret World of Nebulas — 8.6
S07E05
8.6
S07E06 Did the Big Bang Really Happen? — 8.3
S07E06
8.3
S07E07 Battle of the Dark Universe — 8.0
S07E07
8.0
S07E08 Hunt for Alien Life — 9.0
S07E08
9.0
S07E09 Finding the New Earth — 8.5
S07E09
8.5
S07E10 Cassini's Final Secrets — 8.5
S07E10
8.5
S08E01 Asteroid Apocalypse: The New Threat — 8.6
S08E01
8.6
S08E02 NASA's Journey to Mars — 8.2
S08E02
8.2
S08E03 Hunt for Alien Evidence — 8.7
S08E03
8.7
S08E04 Death of the Last Stars — 8.0
S08E04
8.0
S08E05 Secrets of Time Travel — 7.0
S08E05
7.0
S08E06 When NASA Met Jupiter — 9.2
S08E06
9.2
S08E07 Edge of the Universe — 7.8
S08E07
7.8
S08E08 Monsters of the Milky Way — 8.3
S08E08
8.3
S08E09 Earth's Death Orbit — 8.8
S08E09
8.8
S09E01 Journey to a Black Hole — 7.4
S09E01
7.4
S09E02 Mission to a Comet — 9.0
S09E02
9.0
S09E03 Secrets of the Sun — 8.4
S09E03
8.4
S09E04 Aliens of the Microcosmos — 7.7
S09E04
7.7
S09E05 Curse of the White Dwarf — 8.6
S09E05
8.6
S09E06 War of the Galaxies — 8.4
S09E06
8.4
S09E07 The Next Supernova — 8.5
S09E07
8.5
S09E08 Secret Lives of Neutrinos — 8.9
S09E08
8.9
S09E09 Birth of the Monster Black Holes — 8.7
S09E09
8.7
S09E10 Gravitational Waves Revealed — 8.5
S09E10
8.5
S09E11 Mystery of Alien Worlds — 9.2
S09E11
9.2
S10E01 Secrets of the Cosmic Web — 8.9
S10E01
8.9
S10E02 Curse of the Cosmic Rays — 9.1
S10E02
9.1
S10E03 Hunt for Dark Matter — 8.9
S10E03
8.9
S10E04 Dark History of Earth — 8.6
S10E04
8.6
S10E05 Hunt for the Universe's Origin — 8.3
S10E05
8.3
S10E06 Voyager's Ultimate Mission — 8.7
S10E06
8.7
S11E01 The Moons of Saturn — 8.9
S11E01
8.9
S11E02 A Robot's Guide to Mars — 8.4
S11E02
8.4
S11E03 Most Violent Event in the Universe — 8.3
S11E03
8.3
S11E04 Asteroid: Countdown to Catastrophe — 8.6
S11E04
8.6
S11E05 Solar System Special — 8.6
S11E05
8.6
AVG
8.2
8.3
8.2
8.4
8.2
8.2
8.5
8.3
8.5
8.8
8.6
RATING SCALE
5.5
7.5
9.5
LOWEST RATED
HIGHEST RATED
Episode ratings grid for How the Universe Works: 92 rated episodes across 11 seasons, ratings 7.0–9.2. Peak: S08E06 When NASA Met Jupiter, 9.2.
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