ThesixthseasonofWithoutaTracebeganairinginUnitedStatesonSeptember27,2007.TwelveepisodeshadbeencompletedbeforetheWGAStrike.Afurthersixepisodeswereproducedaftertheendofthestrike,makingthistheshortestseasonofWithoutaTraceat18episodes.
Thisseasonincludedacross-overwithCSI:CrimeSceneInvestigationinvolvingJackandGilGrissom...