Plot
Follow 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 him to his identical twin on Earth, astronaut Mark Kelly.
Trailer
Cast
Scott Kelly
Himself
Mark Kelly
Himself
Mikhail Kornienko
himself
Gennady Padalka
himself
Amiko Kauderer
herself
