Alan Bean, Owen Garriott, and Jack Lousma are ready to become Skylab's second crew. But will an attitude control propellant leak cut their stay short?

Conrad, Kerwin and Weitz have arrived at Skylab, but can they get the stricken space station under control?

We meet the crew of Skylab 2, wonder what happened to Skylab 1, and take a look at how NASA scrambled to fix their crippled space station.