Odyssey - The Complete Series (DVD)

DVD discs in mint condition. 

The astronaut crew of a space shuttle looks on in horror as they witness the violent destruction of the Earth. However, they are given a chance to change humanity's fate when a sympathetic alien sends them five years into the past. Their mission--find out who's responsible for the plot to destroy the planet. Can they deal with their own pasts while saving the world from the mysterious organism known only as "Leviathan?"