#
Air Date
Episode Name
Watched?
E1
A Grand Tour of the Cosmos
E2
The Rainbow Connection
E3
Sunrise, Sunset
E4
Bright Objects in the Night Sky
E5
Fainter Phenomena in the Night Sky
E6
Our Sky Through Binoculars and Telescopes
E7
The Celestial Sphere
E8
The Reason for the Seasons
E9
Lunar Phases and Eerie Lunar Eclipses
E10
Glorious Total Solar Eclipses
E11
More Eclipse Tales
E12
Early Studies of the Solar System
E13
The Geocentric Universe
E14
Galileo and the Copernican Revolution
E15
Refinements to the Heliocentric Model
E16
On the Shoulders of Giants
E17
Surveying Space and Time
E18
Scale Models of the Universe
E19
Light: The Supreme Informant
E20
The Wave-Particle Duality of Light
E21
The Colors of Stars
E22
The Fingerprints of Atoms
E23
Modern Telescopes
E24
A Better Set of Eyes
E25
Our Sun, the Nearest Star
E26
The Earth, Third Rock from the Sun
E27
Our Moon, Earth's Nearest Neighbor
E28
Mercury and Venus
E28
Mercury and Venus
E29
Of Mars and Martians
E30
Jupiter and Its Amazing Moons
E31
Magnificent Saturn
E32
Uranus and Neptune, the Small Giants
E33
Pluto and Its Cousins
E34
Asteroids and Dwarf Planets
E35
Comets: Gorgeous Primordial Snowballs
E36
Catastrophic Collisions
E37
The Formation of Planetary Systems
E38
The Quest for Other Planetary Systems
E39
Extra-Solar Planets Galore!
E40
Life Beyond the Earth
E41
The Search for Extraterrestrials
E42
Special Relativity and Interstellar Travel
E43
Stars: Distant Suns
E44
The Intrinsic Brightnesses of Stars
E45
The Diverse Sizes of Stars
E46
Binary Stars and Stellar Masses
E47
Star Clusters, Ages, and Remote Distances
E48
How Stars Shine: Nature's Nuclear Reactors
E49
Solar Neutrinos: Probes of the Sun's Core
E50
Brown Dwarfs and Free-Floating Planets
E51
Our Sun's Brilliant Future
E52
White Dwarfs and Nova Eruptions
E53
Exploding Stars: Celestial Fireworks!
E54
White Dwarf Supernovae: Stealing to Explode
E55
Core-Collapse Supernovae: Gravity Wins
E56
The Brightest Supernova in Nearly 400 Years
E57
The Corpses of Massive Stars
E58
Einstein's General Theory of Relativity
E59
Warping of Space and Time
E60
Black Holes: Abandon Hope, Ye Who Enter
E61
The Quest for Black Holes
E62
Imagining the Journey to a Black Hole
E63
Wormholes: Gateways to Other Universes?
E64
Quantum Physics and Black-Hole Evaporation
E65
Enigmatic Gamma-Ray Bursts
E66
Birth Cries of Black Holes
E67
Our Home: The Milky Way Galaxy
E68
Structure of the Milky Way Galaxy
E69
Other Galaxies: "Island Universes"
E70
The Dark Side of Matter
E71
Cosmology: The Really Big Picture
E72
Expansion of the Universe and the Big Bang
E73
Searching for Distant Galaxies
E74
The Evolution of Galaxies
E75
Active Galaxies and Quasars
E76
Cosmic Powerhouses of the Distant Past
E77
Supermassive Black Holes
E78
Feeding the Monster
E79
The Paradox of the Dark Night Sky
E80
The Age of the Universe
E81
When Geometry is Destiny
E82
The Mass Density of the Universe
E83
Einstein's Biggest Blunder?
E84
The Afterglow of the Big Bang
E85
Ripples in the Cosmic Background Radiation
E86
The Stuff of the Cosmos
E87
Dark Energy: Quantum Fluctuations?
E88
Dark Energy: Quintessence?
E89
Grand Unification & Theories of Everything
E90
Searching for Hidden Dimensions
E91
The Shape, Size, and Fate of the Universe
E92
In the Beginning
E93
The Inflationary Universe
E94
The Ultimate Free Lunch?
E95
A Universe of Universes
E96
Reflections on Life and the Cosmos
