Watch NCIS LA Season 1 Episode 12 Past Lives Online Stream. With the successful season, the NCIS Los Angeles is getting stronger as it is one of the most watch tv series this season. Also it brings their latest episode for the fans of the tv crime series. The most recent is the NCIS LA Season 1 Episode 12 Past Lives. In this episode for NCIS LA Past Lives, The murder of a recently released convict forces Callen to go undercover solo as an old alias, while Sam and the LA team track him from a distance. the NCIS LA S01E12 will be shown to the world on Tuesday, January 12, 2010 9:00 PM-10:00 PM EST on CBS. LA is the best. Watch NCIS LA Season 1 Episode 12 Past Lives Online Stream.