Battlestar Galactica - Season 1 - Eps 1: Saga of a Star World
The Cylon Empire tricks the Twelve Colonies into believing they are striving for peace. Then they ambush the unprepared colonies and destroy the military's Battlestar fleet. One surviving Battlestar, the Galactica, under the command of Commander Adama, gathers the remaining humans and leads them in the search for the legendary 13th colony called Earth.
About Battlestar Galactica

Title: Battlestar Galactica
First Air Date: 1978-09-17
Last Air Date: 1979-04-29
Status: Ended
Rating: 7.082/10 (from 243 votes)
Language: EN
Seasons: 1
Total Episodes: 21
Network: ABC
Genres: Sci-Fi & Fantasy, Drama
Production Companies: Universal Television, Glen A. Larson Productions
Synopsis
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.
Cast

Lorne Greene
Commander Adama

Dirk Benedict
Lt. Starbuck

Richard Hatch
Capt. Apollo

Maren Jensen
Lt. Athena

Herbert Jefferson Jr.
Lt. Boomer

Terry Carter
Colonel Tigh

Noah Hathaway
Boxey

Tony Swartz
Flight Sargeant Jolly

John Colicos
Count Baltar

Laurette Spang
Cassiopeia