Apollo 13 became one of the most dangerous crises in the history of spaceflight. After a devastating explosion crippled the spacecraft, NASA engineers and the crew fought against time, cold, and oxygen loss to survive the journey back to Earth. This documentary breaks down the final hours of the mission — the desperate re-entry, the blackout zone, and the unlikely moment the astronauts made it home alive. A story of teamwork, fear, genius, and the miracle of safe return. This video is for educational and historical purposes and is not affiliated with or endorsed by NASA.