1. Leaving Home

Astronaut Scott Kelly says goodbye to family and friends as he leaves to become the first American to spend a year in space.

2. Unlikely Allies

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.

3. Quarantine

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

4. Launch

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

5. Welcome Aboard

Watch NASA astronaut Scott Kelly board the International Space Station and adjust to life in space.

7. A Walk In The Abyss

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

8. Connectivity

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

9. Last Days In Space

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

10. Ride Of A Lifetime

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

11. Gravity

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

12. Welcome Home

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.