More refugees pour into the Mutant Underground, but the group faces a threat when they discover one of them is a spy working for Sentinel Services. Meanwhile, Reed visits his estranged father and learns that secrets from his family's past could prove useful.false2018-11-03 16:55:38threat of eXtinctionSteven DePaul8.32017TV-PGtt7542706636852244ActionDramaFantasySci-Fihttps://www.thetvdb.com/banners/episodes/328552/6368522.jpgCaitlin MehnerGuestStarhttps://image.tmdb.org/t/p/original/1jLYMQl7opJm0bICTCi0wq0JFzF.jpgElena SatineGuestStarhttps://image.tmdb.org/t/p/original/5t50od5WC4dhdEA1coaN4anmool.jpgGarret DillahuntGuestStarhttps://image.tmdb.org/t/p/original/w5Ziqypp23AMTOaAolAW7RM5pnH.jpgHayley LovittGuestStarhttps://image.tmdb.org/t/p/original/q8KWl60JwrMuPPaUceraa04wpdR.jpgIlan MuallemGuestStarhttps://image.tmdb.org/t/p/original/ko8qMYqPPzHfRYeQ0kSYv1pLyUH.jpgJames DoughertyGuestStarJermaine RiversGuestStarhttps://image.tmdb.org/t/p/original/4p3XXHBRNhGHJLc3aholtumj7wq.jpgLiza FaginGuestStarhttps://image.tmdb.org/t/p/original/5oCzqacwq0MG8mN4ktASolaVxYp.jpgMarco SchittoneGuestStarhttps://image.tmdb.org/t/p/original/mVSA1YjdcBNgEzi9vMYWRJjhar3.jpgMichelle KimGuestStarhttps://image.tmdb.org/t/p/original/xPVe0oijft9W3b4iYZNaHLSoazH.jpgPaul CooperGuestStarRaymond J. BarryGuestStarhttps://image.tmdb.org/t/p/original/k4WDNgYHOUgRaPQIsZUPUxl1lO6.jpgRenes Antonio RiveraGuestStarSkyler SamuelsGuestStarhttps://image.tmdb.org/t/p/original/4HeEvih8dRezHnnS1Ss9L7hKsLx.jpgStephen AlderferGuestStarZach RoerigGuestStarhttps://image.tmdb.org/t/p/original/h3Bk4KoBGqQIqaxmNu3BcGrou3v.jpg812017-11-20subripsubripengprogressiveTrueFalse