Season 5 · Episode 5

Pluto Rediscovered

Three million miles from earth lies a planet so small that even the most advanced telescopes. A dedicated core of scientists offer educated guesses as to the makeup and condition of Pluto, as well as discuss its qualifications to be counted as a planet. Meahwhile, the New Horizons space probe continues its nine year trek to the planet to finally reveal the secrets of the "planet".