Introduction to Astronomy
Episode: 1x01 | Airdate: Jan 15, 2015
Season 1
Naked Eye Observations
Episode: 1x02 | Airdate: Jan 22, 2015
Cycles in the Sky
Episode: 1x03 | Airdate: Jan 29, 2015
Moon Phases
Episode: 1x04 | Airdate: Feb 5, 2015
Eclipses
Episode: 1x05 | Airdate: Feb 13, 2015
Telescopes
Episode: 1x06 | Airdate: Feb 19, 2015
The Gravity of the Situation
Episode: 1x07 | Airdate: Feb 26, 2015
Tides
Episode: 1x08 | Airdate: Mar 5, 2015
Introduction to the Solar System
Episode: 1x09 | Airdate: Mar 12, 2015
The Sun
Episode: 1x10 | Airdate: Mar 19, 2015
The Earth
Episode: 1x11 | Airdate: Apr 2, 2015
The Moon
Episode: 1x12 | Airdate: Apr 9, 2015
Mercury
Episode: 1x13 | Airdate: Apr 16, 2015
Venus
Episode: 1x14 | Airdate: Apr 24, 2015
Mars
Episode: 1x15 | Airdate: Apr 30, 2015
Jupiter
Episode: 1x16 | Airdate: May 8, 2015
Jupiter's Moons
Episode: 1x17 | Airdate: May 14, 2015
Saturn
Episode: 1x18 | Airdate: May 21, 2015
Uranus & Neptune
Episode: 1x19 | Airdate: May 28, 2015
Asteroids
Episode: 1x20 | Airdate: Jun 4, 2015
Comets
Episode: 1x21 | Airdate: Jun 18, 2015
The Oort Cloud
Episode: 1x22 | Airdate: Jun 25, 2015
Meteors
Episode: 1x23 | Airdate: Jul 2, 2015
Light
Episode: 1x24 | Airdate: Jul 9, 2015
Distances
Episode: 1x25 | Airdate: Jul 16, 2015
Stars
Episode: 1x26 | Airdate: Jul 23, 2015
Exoplanets
Episode: 1x27 | Airdate: Jul 30, 2015
Brown Dwarfs
Episode: 1x28 | Airdate: Aug 13, 2015
Low Mass Stars
Episode: 1x29 | Airdate: Aug 20, 2015
White Dwarfs & Planetary Nebulae
Episode: 1x30 | Airdate: Aug 27, 2015
High Mass Stars
Episode: 1x31 | Airdate: Sep 10, 2015
Neutron Stars
Episode: 1x32 | Airdate: Jul 17, 2015
Black Holes
Episode: 1x33 | Airdate: Sep 25, 2015
Binary and Multiple Stars
Episode: 1x34 | Airdate: Oct 1, 2015
Star Clusters
Episode: 1x35 | Airdate: Oct 8, 2015
Nebulae
Episode: 1x36 | Airdate: Oct 15, 2015
The Milky Way
Episode: 1x37 | Airdate: Oct 22, 2015
Galaxies, Part 1
Episode: 1x38 | Airdate: Oct 29, 2015
Galaxies, Part 2
Episode: 1x39 | Airdate: Nov 5, 2015
Gamma-Ray Bursts
Episode: 1x40 | Airdate: Nov 12, 2015
Dark Matter
Episode: 1x41 | Airdate: Dec 3, 2015
The Big Bang, Cosmology Part 1
Episode: 1x42 | Airdate: Dec 10, 2015
Dark Energy, Cosmology Part 2
Episode: 1x43 | Airdate: Dec 17, 2015
A Brief History of the Universe
Episode: 1x44 | Airdate: Jan 7, 2016
Deep Time
Episode: 1x45 | Airdate: Jan 14, 2016
Everything, The Universe...And Life
Episode: 1x46 | Airdate: Jan 21, 2016