List of Nielsen ratings (TRS)

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This is the list of Nielsen ratings the re-imagined Battlestar Galactica has received during each episode initial broadcast in the United States. The series was always transmitted in the US by the Sci Fi Channel. The numbers below are the household rating numbers, and not the total viewers.

Note that the methodology for the ratings changed during the timespan in which the series was originally broadcast. The ratings available before 2008 (Seasons 1-3 and Razor) do not factor delayed viewing (DVRs, etc.), whereas the ones for 2008 (Season 4.0) take the same day viewers into account in addition to the live viewers. In addition, with Sci Fi Wire no longer publishing the free 'Nielsen Galaxy Report', the only numbers available for 2009 (Season 4.5) are in fact the total number of viewers. To provide comparable numbers, the ratio between the number of total viewers and the household rating was used to scale the ratings for the rest of Season 4.5 episodes.

Season 1

Episode	US Airdate	Nielsen rating
Miniseries, Night 1	2003-12-08	3.2
Miniseries, Night 2	2003-12-09	3.8
33	2005-01-14	2.6
Water	2005-01-14	2.6
Bastille Day	2005-01-21	2.3
Act of Contrition	2005-01-28	2.5
You Can't Go Home Again	2005-02-04	2.5
Litmus	2005-02-11	2.5
Six Degrees of Separation	2005-02-18	2.2
Flesh and Bone	2005-02-25	2.5
Tigh Me Up, Tigh Me Down	2005-03-04	2.1
The Hand of God	2005-03-11	2.2
Colonial Day	2005-03-18	2.3
Kobol's Last Gleaming, Part I	2005-03-25	2.2
Kobol's Last Gleaming, Part II	2005-04-01	2.5

Season 2

Episode	US Airdate	Nielsen rating
Scattered	2005-07-15	2.6
Valley of Darkness	2005-07-22	2.0
Fragged	2005-07-29	2.0
Resistance	2005-08-05	1.9
The Farm	2005-08-12	2.0
Home, Part I	2005-08-19	2.1
Home, Part II	2005-08-26	2.1
Final Cut	2005-09-09	2.0
Flight of the Phoenix	2005-09-16	1.9
Pegasus	2005-09-23	2.0
Resurrection Ship, Part I	2006-01-06	2.1
Resurrection Ship, Part II	2006-01-13	1.9
Epiphanies	2006-01-20	1.9
Black Market	2006-01-27	1.8
Scar	2006-02-03	1.9
Sacrifice	2006-02-10	1.8
The Captain's Hand	2006-02-17	1.7
Downloaded	2006-02-24	1.8
Lay Down Your Burdens, Part I	2006-03-03	1.8
Lay Down Your Burdens, Part II	2006-04-10	1.9

Season 3

Episode	US Airdate	Nielsen rating
Occupation	2006-10-06	1.8
Precipice	2006-10-06	1.8
Exodus, Part I	2006-10-13	1.6
Exodus, Part II	2006-10-20	1.5
Collaborators	2006-10-27	1.4
Torn	2006-11-03	1.5
A Measure of Salvation	2006-11-10	1.5
Hero	2006-11-17	1.3
Unfinished Business	2006-12-01	1.3
The Passage	2006-12-08	1.3
The Eye of Jupiter	2006-12-15	1.4
Rapture	2007-01-21	1.4
Taking a Break From All Your Worries	2007-01-28	1.5
The Woman King	2007-02-11	1.2
A Day in the Life	2007-02-18	1.2
Dirty Hands	2007-02-25	1.1
Maelstrom	2007-03-04	1.1
The Son Also Rises	2007-03-11	1.2
Crossroads, Part I	2007-03-18	1.4
Crossroads, Part II	2007-03-25	1.2

Season 4

Episode	US Airdate	Nielsen rating
Razor	2007-11-24	1.21
He That Believeth In Me	2008-04-04	1.6
Six of One	2008-04-11	1.4
The Ties That Bind	2008-04-18	1.4
Escape Velocity	2008-04-25	1.3
The Road Less Traveled	2008-05-02	1.3
Faith	2008-05-09	1.2
Guess What's Coming to Dinner?	2008-05-16	1.2
Sine Qua Non	2008-05-30	1.3
The Hub	2008-06-06	1.3
Revelations	2008-06-13	1.4
Sometimes a Great Notion	2009-01-16	1.6
A Disquiet Follows My Soul	2009-01-23	1.3
The Oath	2009-01-30	1.2
Blood on the Scales	2009-02-06	1.3
No Exit	2009-02-13	1.3
Deadlock	2009-02-20	1.2
Someone to Watch Over Me	2009-02-27	1.3
Islanded In a Stream of Stars	2009-03-06	1.2
Daybreak, Part I	2009-03-13	?
Daybreak, Part II	2009-03-20	?
The Plan	?	?