Amos, Nat's mother, and Nadia join forces to stop Yegor and the Soviet plan as Columbia arrives near Earth's atmosphere. With their combined efforts, the Soviet threat is crushed, thus saving the astronauts and the flies. After a short period of radio silence due to ionization blackout, Columbia splashes down safely in the Pacific Ocean, where it is recovered by USS Hornet. Nat, I.Q. and Scooter return to their junkyard as heroes.
