Drama · Science-Fiction · War

Battlestar Galactica: all seasons, episodes and where to watch

Syfy drama and science-fiction series (2005–2009), 4 seasons.

Season complete Cable Listings updated October 3, 2026 Listings

Artwork via TVmaze · © its respective owners

Quick answer · Season 4

Battlestar Galactica is a drama and science-fiction series that aired on Syfy, running from 2005 to 2009 with 4 seasons and 73 episodes. Battlestar Galactica has ended. Its final episode aired on March 20, 2009.

U.S. premiere: April 4, 2008
Where: Cable
Time: Varies by station
Episodes: 20
Finale: March 20, 2009

Where to watch Battlestar Galactica season 4 in the U.S.

Where to watch Battlestar Galactica season 4 in the U.S.
Where	How	When	Notes
Cable	Broadcast (free)Antenna / cable	April 4, 2008 – March 20, 2009	Original U.S. run on Syfy. [1]

Season 4 episode schedule

Battlestar Galactica season 4 U.S. episode schedule
Ep.	Title	U.S. date	Time	Status
1	He That Believeth in Me	Fri, Apr 4, 2008 ^[1]	Check local listings national slot	Listed
2	Six of One	Fri, Apr 11, 2008 ^[1]	Check local listings national slot	Listed
3	The Ties That Bind	Fri, Apr 18, 2008 ^[1]	Check local listings national slot	Listed
4	Escape Velocity	Fri, Apr 25, 2008 ^[1]	Check local listings national slot	Listed
5	The Road Less Traveled	Fri, May 2, 2008 ^[1]	Check local listings national slot	Listed
6	Faith	Fri, May 9, 2008 ^[1]	Check local listings national slot	Listed
7	Guess What's Coming to Dinner?	Fri, May 16, 2008 ^[1]	Check local listings national slot	Listed
8	Sine Qua Non	Fri, May 30, 2008 ^[1]	Check local listings national slot	Listed
9	The Hub	Fri, Jun 6, 2008 ^[1]	Check local listings national slot	Listed
10	Revelations	Fri, Jun 13, 2008 ^[1]	Check local listings national slot	Listed
11	Sometimes a Great Notion	Fri, Jan 16, 2009 ^[1]	Check local listings national slot	Listed
12	A Disquiet Follows My Soul	Fri, Jan 23, 2009 ^[1]	Check local listings national slot	Listed
13	The Oath	Fri, Jan 30, 2009 ^[1]	Check local listings national slot	Listed
14	Blood on the Scales	Fri, Feb 6, 2009 ^[1]	Check local listings national slot	Listed
15	No Exit	Fri, Feb 13, 2009 ^[1]	Check local listings national slot	Listed
16	Deadlock	Fri, Feb 20, 2009 ^[1]	Check local listings national slot	Listed
17	Someone to Watch Over Me	Fri, Feb 27, 2009 ^[1]	Check local listings national slot	Listed
18	Islanded in a Stream of Stars	Fri, Mar 6, 2009 ^[1]	Check local listings national slot	Listed
19	Daybreak, Part 1	Fri, Mar 13, 2009 ^[1]	Check local listings national slot	Listed
20	Daybreak, Part 2	Fri, Mar 20, 2009 ^[1]	Check local listings national slot	Listed

Dates are U.S. dates. Broadcast times are the network's national slot; your local station may differ.

About Battlestar Galactica

Season 4: Season 4 of Battlestar Galactica aired from April 4, 2008 to March 20, 2009 on Syfy (20 episodes).

Network / service: Syfy (first aired December 8, 2003)
Official site: syfy.com
Main cast over the series (TVmaze): Edward James Olmos (William Adama), Mary McDonnell (Laura Roslin), Michael Hogan (Saul Tigh), Jamie Bamber (Lee "Apollo" Adama), Katee Sackhoff (Kara "Starbuck" Thrace)

All seasons

Season 4

Season complete

Season 4 of Battlestar Galactica aired from April 4, 2008 to March 20, 2009 on Syfy (20 episodes).

Cable

Season 3

Season complete

Season 3 of Battlestar Galactica aired from October 6, 2006 to March 25, 2007 on Syfy (20 episodes).

Cable

Season 2

Season complete

Season 2 of Battlestar Galactica aired from July 15, 2005 to March 10, 2006 on Syfy (20 episodes).

Cable

Season 1

Season complete

Season 1 of Battlestar Galactica aired from January 14, 2005 to April 1, 2005 on Syfy (13 episodes).

Cable

Common questions

How many seasons of Battlestar Galactica are there?

Battlestar Galactica has 4 seasons and 73 episodes listed, airing from January 14, 2005 to March 20, 2009.

Is Battlestar Galactica cancelled or ended?

Battlestar Galactica has ended. Its final episode aired on March 20, 2009.

Where can I watch Battlestar Galactica?

Battlestar Galactica originally aired on Syfy in the U.S. Streaming rights for older seasons change over time, so check Syfy's own app and the major streaming services for the current home.