Season 4

S04E01 - Eve of the War - February 05, 2012
S04E02 - Being Human 1955 - February 12, 2012
S04E03 - The Graveyard Shift - February 19, 2012
S04E04 - A Spectre Calls - February 26, 2012
S04E05 - Hold the Front Page - March 04, 2012
S04E06 - Puppy Love - March 11, 2012
S04E07 - Making History - March 18, 2012
S04E08 - The War Child - March 25, 2012

Season 3

S03E01 - Lia - January 23, 2011
S03E02 - Adam's Family - January 30, 2011
S03E03 - Type 4 - February 06, 2011
S03E04 - The Pack - February 13, 2011
S03E05 - The Longest Day - February 20, 2011
S03E06 - Daddy Ghoul - February 27, 2011
S03E07 - Though the Heavens Fall - March 06, 2011
S03E08 - The Wolf-Shaped Bullet - March 13, 2011

Season 2

S02E01 - Cure and Contagion - January 10, 2010
S02E02 - Serve God, Love Me and Mend - January 17, 2010
S02E03 - Long Live The King - January 24, 2010
S02E04 - Educating Creature - January 31, 2010
S02E05 - The Looking Glass - February 07, 2010
S02E06 - In The Morning - February 14, 2010
S02E07 - Damage - February 21, 2010
S02E08 - All God's Children - February 28, 2010

Season 1

S01E01 - Season 1, Episode 1 - January 25, 2009
S01E02 - Season 1, Episode 2 - February 01, 2009
S01E03 - Season 1, Episode 3 - February 08, 2009
S01E04 - Season 1, Episode 4 - February 15, 2009
S01E05 - Season 1, Episode 5 - February 22, 2009
S01E06 - Season 1, Episode 6 - March 01, 2009