Ancient Aliens: 5x4
5 - 1Episode 1 Dec. 21, 2012
5 - 2Episode 2 Dec. 28, 2012
5 - 3Episode 3 Jan. 04, 2013
5 - 4Episode 4 Jan. 11, 2013
5 - 5Episode 5 Jan. 18, 2013
5 - 6Episode 6 Jan. 25, 2013
5 - 7Episode 7 Feb. 08, 2013
5 - 8Episode 8 Feb. 15, 2013
5 - 9Episode 9 Feb. 22, 2013
5 - 10Episode 10 Apr. 05, 2013
5 - 11Episode 11 Apr. 12, 2013
5 - 12Episode 12 Apr. 19, 2013