Astronauts and cosmonauts battle a life-threatening fire and tackle an out-of-control cargo ship on the Russian space station, MIR.

A deadly collision in orbit punctures the hull of Russian space station, MIR. As oxygen seeps into space, the crew's lifeboat begins to die.

A toxic ammonia leak endangers an entire crew. Meanwhile, a cosmonaut narrowly survives re-entry, only to be stranded in the wilderness.

During a classified mission, the crew of Space Shuttle Atlantis discovers fatal damage to the heat shield tiles on the underbelly of their ship.

A spacewalker loses his vision and is locked outside his craft after a malfunction. Plus, cosmonauts are engulfed by a fire while still on the launchpad.

An astronaut performs an emergency procedure to save a new ISS solar array. Plus, the first Korean astronaut has a bumpy ride during re-entry.

A power failure occurs on the ISS forcing the crew to consider abandoning the station. Plus, during a spacewalk a cosmonaut is nearly stranded after a suit malfunction.

A leak threatens the lives of astronauts upon re-entry. And a mission to the Salyut space station takes a surprise turn when the crew suffers from depressurisation.