Battlestar Galactica poster

TV series

Battlestar Galactica

2004TV-144 seasons8.2 / 10

So say we all!

When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protect a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony, Earth.

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Where to watch in United States

Checked Jul 22, 2026

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Synopsis

When an old enemy, the Cylons, resurface and obliterate the 12 colonies, the crew of the aged Galactica protect a small civilian fleet - the last of humanity - as they journey toward the fabled 13th colony, Earth.

Season 1 episodes

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Episode 1

33

In the wake of the Cylon sneak attack, the ragtag fleet of human survivors is forced to play a deadly game of cat-and-mouse with their pursuers. Every 33 minutes, they make a jump to a new location. And every 33 minutes, the Cylons manage to find them. The pilots are on the brink of exhaustion, relying on artificial stimulants to keep fighting, and the civilians are beginning to doubt the leadership of Commander Adama and President Roslin.

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Episode 2

Water

Lt. Sharon Valerii wakes up soaking wet in the tool room with an explosive charge in her duffel bag. Shortly afterward, a mysterious explosion destroys all the port-side water tanks on Galactica, creating a crisis for the entire fleet. Sharon can't remember a thing, but all the evidence points to her as a saboteur. She confesses her concern to Chief Tyrol, but he can't believe she's responsible.

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Episode 3

Bastille Day

The fleet has found a source of water, but who will take on the difficult and dangerous job of mining it from the icy planet? Commander Adama and President Roslin send Lee to the Astral Queen, a prisoner transport ship, with an offer for its inmates: Volunteer for this mission and earn "freedom points".

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Episode 4

Act of Contrition

After a flight deck accident kills 13 pilots and wounds many others, Kara is thrust into service as a flight instructor and ordered to turn a group of civilian pilots and academy washouts into full-fledged Viper pilots.

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Episode 5

You Can't Go Home Again

When Lt. Kara Thrace goes missing in action after encountering a Cylon patrol while on a training mission, Commander Adama feels responsible — especially in light of her recent admission that she blames herself for his son Zak's death.

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Episode 6

Litmus

When a new copy of Doral, a Cylon who had been previously exposed while serving as the Galactica's public-relations officer, sneaks aboard and blows himself up, killing three people, Commander Adama and President Roslin must finally make public the terrifying secret known only to a select few: Cylons now look like humans.

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Episode 7

Six Degrees of Separation

When Baltar and the Number Six who lives in his head have a falling out, she abandons him, only to surface a short while later aboard the Galactica. But now she's called Shelley Godfrey, everyone can see her, and she's telling them that she has evidence, passed on by the late Dr. Amarak, that will prove Baltar sold out the human race to the Cylons.

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Episode 8

Flesh and Bone

A Cylon, who calls himself Leoben, is discovered on one of the ships in the fleet. Commander Adama sends Kara to interrogate him — or, rather, it. The Cylon tells Kara that he planted a nuclear device on one of the ships. Although she doesn't believe it, Kara passes on the warning.

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Episode 9

Tigh Me Up, Tigh Me Down

President Roslin's fears that Commander Adama is a Cylon are stoked when she learns he's making secret wireless calls to other ships. Then, to make things worse, a single Cylon raider appears near the Galactica and begins acting strangely after being damaged in battle.

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Episode 10

The Hand of God

As its fuel supply dwindles, the fleet must seek out a new supply of tylium ore or risk becoming sitting ducks to any Cylon attack. A recon patrol finds an asteroid full of the fuel, but there's a catch — the Cylons have found it first and established a heavily guarded refining plant.

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Episode 11

Colonial Day

When President Roslin calls an Interim Quorum of the Twelve Colonies, she discovers that democracy brings its ugly stepsisters — politics and deadly intrigue — to the party. Tom Zarek, the charismatic convicted terrorist, is elected as the delegate from Sagittaron and immediately proposes elections for the vice-presidency.

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Episode 12

Kobol's Last Gleaming (1)

While flying a supply patrol, Crashdown and Sharon Valerii discover a bountiful planet that can support human life. Indeed, it might be Kobol, the legendary "home of the gods." The discovery prompts Commander Adama to send a ground team to investigate; it also gives new life to President Roslin's belief that she is a tool of destiny and that this discovery, like her rapidly spreading cancer, is part of an ancient prophecy.

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Episode 13

Kobol's Last Gleaming (2)

When Commander Adama learns that Kara disobeyed orders and Jumped to Caprica on orders from President Roslin, he demands the president's resignation, with the implied threat of a military coup. Roslin refuses his demand and sparks a confrontation.

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Episode information updated Jul 22, 2026

More about Battlestar Galactica

Cast

Edward James OlmosCommander William Adama
Mary McDonnellLaura Roslin
Jamie BamberLee 'Apollo' Adama
Katee SackhoffKara 'Starbuck' Thrace
James CallisGaius Baltar
Tricia HelferNumber Six
Tahmoh PenikettKarl 'Helo' Agathon
Grace ParkSharon 'Boomer' Valerii

Credits

Created by
Glen A. Larson, Ronald D. Moore
Written by
Carla Robinson, David Weddle, Bradley Thompson, Ronald D. Moore, Mark Verheiden, Michael Angeli

Production details

Status
Ended
Series type
Scripted
Episodes
73
Original language
English

Networks & production

  • SyfyUnited States
  • David Eick Productions
  • R&D TV
  • Universal TelevisionUnited States
  • Universal Media StudiosUnited States
  • UCPUnited States

Themes

alien planetartificial intelligence (a.i.)battlestar galacticacyberneticcyborginspirationalinvasionreboot