Temporada 1 de Arquivo Roswell, com 22 episódios, estreou em 06/10/1999.
T1 E1Pilot 06/10/1999
T1 E2The Morning After 13/10/1999
T1 E3Monsters 20/10/1999
T1 E4Leaving Normal 27/10/1999
T1 E5Missing 03/11/1999
T1 E6285 South (1) 10/11/1999
T1 E7River Dog (2) 17/11/1999
T1 E8Blood Brother 24/11/1999
T1 E9Heat Wave 01/12/1999
T1 E10The Balance 15/12/1999
T1 E11Toy House 19/01/2000
T1 E12Into the Woods 26/01/2000
T1 E13The Convention 02/02/2000
T1 E14Blind Date 09/02/2000
T1 E15Independence Day 16/02/2000
T1 E16Sexual Healing 01/03/2000
T1 E17Crazy 10/04/2000
T1 E18Tess, Lies and Videotape 17/04/2000
T1 E19Four Square 24/04/2000
T1 E20Max to the Max 01/05/2000
T1 E21The White Room (1) 08/05/2000
T1 E22Destiny (2) 15/05/2000