Smallville: 4x20
4 - 1Episode 1 Sep. 22, 2004
4 - 2Episode 2 Sep. 29, 2004
4 - 3Episode 3 Oct. 06, 2004
4 - 4Episode 4 Oct. 13, 2004
4 - 5Episode 5 Oct. 20, 2004
4 - 6Episode 6 Oct. 27, 2004
4 - 7Episode 7 Nov. 03, 2004
4 - 8Episode 8 Nov. 10, 2004
4 - 9Episode 9 Nov. 17, 2004
4 - 10Episode 10 Dec. 01, 2004
4 - 11Episode 11 Jan. 26, 2005
4 - 12Episode 12 Feb. 02, 2005
4 - 13Episode 13 Feb. 09, 2005
4 - 14Episode 14 Feb. 16, 2005
4 - 15Episode 15 Feb. 23, 2005
4 - 16Episode 16 Mar. 02, 2005
4 - 17Episode 17 Apr. 13, 2005
4 - 18Episode 18 Apr. 20, 2005
4 - 19Episode 19 Apr. 27, 2005
4 - 20Episode 20 May. 04, 2005
4 - 21Episode 21 May. 11, 2005
4 - 22Episode 22 May. 18, 2005