First transmitted in 1998, this is the story of four men who orbited Earth on board the ill-fated Mir space station, which NASA declared unsafe in 1991. Although Mir had been lived in almost continuously since she was launched in 1986, the joint Russian-American mission in 1997 saw unprecedented problems on board the station; from fire, power blackouts and mechanical breakdowns to a dramatic midspace collision that left everyone on board scrambling for their lives.