How the Universe Works — Season 11

All 5 episodes in airing order, with first-run dates and viewer ratings.

  1. 01

    March 5, 2023 · 1h

    The Moons of Saturn8.9

    Discover how Saturn's moons could rewrite the rules of the Solar System.

  2. 02

    March 12, 2023 · 1h

    A Robot's Guide to Mars8.4

    Mars is infested with robots, orbiting the planet and roaming the Martian surface on a mission to uncover its secrets; now, Perseverance joins this dedicated group of machines to uncover if there is, or was ever, life on the Red Planet.

  3. 03

    March 19, 2023 · 1h

    Most Violent Event in the Universe8.3

    The collision of two supermassive black holes is the most violent event that can occur in the universe. Experts explore where a black hole's energy originates and what really happens when the two most powerful objects in the cosmos clash.

  4. 04

    March 26, 2023 · 1h

    Asteroid: Countdown to Catastrophe8.6

    In a fictional scenario set in 2029, an asteroid hurtling towards Earth at 40,000 mph will reduce New York to ashes; examining the hypothetical, experts weigh in to determine what could happen and how it might be stopped.

  5. 05

    April 2, 2023 · 2h

    Solar System Special8.6

    Exploring new discoveries that rewrite the history of the Solar System, revealing a complex and violent story that begins with the birth of the Sun from the debris of a massive galactic collision to its eventual fate as a lone zombie star.