The crew, led by Lee "Apollo" Adama, beat them back but suffer heavy casualties.

On Kobol, Gaius Baltar's visions continue, and Chief Galen Tyrol euthanizes a dying comrade.

On Kobol, Tyrol and Cally return to the rest of the stranded survey team with the medical kit they had retrieved for a wounded Socinus only to learn that his death is inevitable.

In his podcast commentary on "Valley of Darkness", Moore discusses his views of the symbolism appearing in the episode.

Much of the action in "Valley of Darkness" set on Kobol and Caprica was originally written as part of "Scattered".

[1] "Valley of Darkness" received a nomination at the 2005 Visual Effects Society Awards for the Centurions, in the category "Outstanding Performance by an Animated Character in a Live Action Broadcast Program, Commercial, or Music Video".

[11] Eric Goldman of IGN ranked Tigh taking command at #11 on his list of the top 20 storylines and moments in the re-imagined Battlestar Galactica.