Battlestar Galactica (1978)

"The Last Battlestar Galactica Leads a Rag Tag Fugitive Fleet on a Lonely Quest for a Shining Planet Known as...Earth."

When the 12 Colonies of Man are wiped out by a cybernetic race called the Cylons, Commander Adama and the crew of the battlestar Galactica lead a ragtag fleet of human survivors in search of a "mythical planet" called Earth.