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All Seasons

Season 1

  • S01E01 Leaving Home

    • March 2, 2015
    • PBS

    Despite the technological "comforts" of the ISS, a year in space - the longest space mission in American history - has been described as the epitome of extreme, with extraordinarily high physical stakes. Following Scott in space and his identical twin Mark Kelly at home on Earth, the specials will tell the story of what it takes, mentally and physically, to spend a year in space and then, using what NASA has learned from the Kelly brothers, what it means for humanity as we journey to Mars and beyond.

  • S01E02 Unlikely Allies

    • July 7, 2015
    • PBS

    Before leaving Earth, astronaut Scott Kelly heads to a once secret space center outside Moscow that is now the scene of an unprecedented collaboration between former enemies.

  • S01E03 Quarantine

    • September 9, 2015
    • PBS

    Scott Kelly begins his long separation from the rest of humanity well before he leaves Earth, as he and his crewmates enter the curious world of pre-flight quarantine.

  • S01E04 Launch

    • September 14, 2015
    • PBS

    The final hours on Earth are a series of rituals - both technological and personal - as the clock ticks down and the engines ignite.

  • S01E05 Welcome Aboard

    • November 2, 2015
    • PBS

    NASA astronaut Scott Kelly boards the International Space Station and adjusts to life in space.

  • S01E06 Perseverance

    • January 11, 2016
    • PBS

    Danger lurks both on the ground and in orbit as the crew deals with exploding supply rockets and incoming space debris.

  • S01E07 A Walk in the Abyss

    • April 13, 2016
    • PBS

    Fixing the space station can mean venturing outside-no easy feat 250 miles away from Earth.

  • S01E08 Connectivity

    • April 20, 2016
    • PBS

    So much rides on the slender thread that connects astronauts in space to family on Earth.

  • S01E09 Last Days in Space

    • April 27, 2016
    • PBS

    Packing to leave can be bittersweet after a year in space.

  • S01E10 Ride of a Lifetime

    • May 4, 2016
    • PBS

    Returning from the ISS is a wild, scary, violent ride-but it's the only way home.

  • S01E11 Gravity

    • May 11, 2016
    • PBS

    By air and land, rescue vehicles converge in the Kazakh steppe to catch three men falling from space.

  • S01E12 Welcome Home

    • May 18, 2016
    • PBS

    After a year in space, Scott Kelly and Mikhail Kornienko reunite with their families and begin the long, painful process of readjusting to life on Earth.

Additional Specials

  • SPECIAL 0x1 A Year in Space

    • March 2, 2016
    • PBS

    The first installment of A Year in Space tracks astronaut Scott Kelly’s 12-month mission on the International Space Station, from launch to landing, as NASA charts the effects of long-duration spaceflight by comparing Scott to his identical twin on Earth, fellow astronaut Mark Kelly. Witness the rigors of Scott’s training to live in space for an entire year, while coming to know Scott's family and their collective fears, dreams, stresses, and loves. Interwoven into the series’ compelling personal story, A Year in Space also delves into the broader historical context of the mission, including the history of space exploration, the political background of the Russian-US relationship, and the science and engineering conundrums posed by interplanetary space travel.

  • SPECIAL 0x2 Beyond a Year in Space

    • November 15, 2017
    • PBS

    In Beyond a Year in Space, astronaut Scott Kelly returns to Earth after spending a record-breaking year in outerspace. Now, scientists study Scott to answer pivotal questions: How did space change Scott, and how can we keep future astronauts safe on long journeys to deep space- and beyond? Jessica Meir & Victor Glover are among the latest class of astronauts on track to becoming the first individuals to travel to Mars. Follow closely as the astronauts of Class 21 face a new set of challenges unlike any other encountered in the space race. Isolation, extreme amounts of radiation, and the unknown effects of zero gravity on the human body: these are the new dangers facing space-bound humans. By analyzing the Kelly brothers, NASA hopes to gain a full understanding of the effects of space flight on the body. These advancements will make it possible to send people like Jessica and Victor to Mars, and know that they’ll be healthy when they return. Beyond A Year in Space traces the steps of human space flight from past to present and beyond- to the future of humanity finding its place in the cosmos.