Episode: 1 Introduction to Astronomy Episode: 2 Naked Eye Observations Episode: 3 Cycles in the Sky Episode: 4 Moon Phases Episode: 5 Eclipses Episode: 6 Telescopes Episode: 7 The Gravity of the Situation Episode: 8 Tides Episode: 9 Introduction to the Solar System Episode: 10 The Sun Episode: 11 The Earth Episode: 12 The Moon Episode: 13 Mercury Episode: 14 Venus Episode: 15 Mars Episode: 16 Jupiter Episode: 17 Jupiter's Moons Episode: 18 Saturn Episode: 19 Uranus & Neptune Episode: 20 Asteroids Episode: 21 Comets Episode: 22 The Oort Cloud Episode: 23 Meteors Episode: 24 Light Episode: 25 Distances Episode: 26 Stars Episode: 27 Exoplanets Episode: 28 Brown Dwarfs Episode: 29 Low Mass Stars Episode: 30 White Dwarfs & Planetary Nebulae Episode: 31 High Mass Stars Episode: 32 Neutron Stars Episode: 33 Black Holes Episode: 34 Binary and Multiple Stars Episode: 35 Star Clusters Episode: 36 Nebulae Episode: 37 The Milky Way Episode: 38 Galaxies, Part 1 Episode: 39 Galaxies, Part 2 Episode: 40 Gamma-Ray Bursts Episode: 41 Dark Matter Episode: 42 The Big Bang, Cosmology Part 1 Episode: 43 Dark Energy, Cosmology Part 2 Episode: 44 A Brief History of the Universe Episode: 45 Deep Time Episode: 46 Everything, The Universe...And Life