The Rat Martha must finally face the truth she has denied – and her life may never be the same. Plus, a chilling new development in William’s work forces the Jennings to face the realities of what a biological war would mean. Details Casts Videos Galleries Posters Season Lists Title The Rat Genres Crime Drama Release Date 2016-04-20 Episode Runtime 00 Hours 48 Minutes Season Number 4 Episode Number 6 Production Companies DreamWorks Television Keri Russell... Elizabeth Jennings... Matthew Rhys... Phillip Jennings... Holly Taylor... Paige Jennings... Keidrich Sellati... Henry Jennings... Noah Emmerich... Stan Beeman... Dylan Baker... William Crandall... Costa Ronin... Oleg Igorevich Burov... Frank Langella... Gabriel... Lev Gorn... Arkady Ivanovich Zotov... Official Legacy Trailer (Trailer) Season 1 Trailer (Trailer) ITV Trailer (Trailer) Original Size (1920x1080) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (3840x2160) Original Size (2560x1440) Original Size (1920x1080) Original Size (1280x720) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1280x720) Original Size (3840x2160) Original Size (2560x1440) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (1920x1080) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (3840x2160) Original Size (2000x3000) Original Size (2000x3000) Original Size (1914x2871) Original Size (2000x3000) Original Size (1000x1500) Original Size (1366x2048) Original Size (600x900) Original Size (800x1200) Original Size (1476x2197) Original Size (2000x3000) Original Size (1000x1500) Original Size (1000x1500) Original Size (1000x1520) Original Size (2000x3000) Original Size (1000x1500) Original Size (2000x3000) Original Size (2000x3000) Original Size (1000x1500) Original Size (600x900) Original Size (680x1000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (680x1000) Original Size (2000x3000) Original Size (1000x1500) Original Size (1000x1426) Original Size (1000x1426) Original Size (1366x2048) Original Size (1000x1500) Original Size (2000x3000) Original Size (680x1000) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (680x1000) Original Size (680x1000) Original Size (1000x1500) Original Size (2000x3000) Original Size (839x1236) Original Size (2000x3000) Original Size (1133x1700) Original Size (968x1500) Original Size (680x1000) Original Size (1000x1500) Original Size (1600x2400) Original Size (706x1000) Original Size (680x1000) Original Size (680x1000) Original Size (1000x1426) Original Size (1000x1426) Original Size (1000x1500) Original Size (1000x1500) Original Size (2000x3000) Original Size (2000x3000) Original Size (2000x3000) Original Size (839x1236) Original Size (839x1236) Original Size (839x1236) Original Size (1723x2257) Original Size (696x1044) Original Size (750x1125) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (680x1000) Original Size (862x1200) Season 1 13 Episode(s) 2013-01-30 Season 2 13 Episode(s) 2014-02-26 Season 3 13 Episode(s) 2015-01-28 Season 4 13 Episode(s) 2016-03-16 Season 5 13 Episode(s) 2017-03-07 Season 6 10 Episode(s) 2018-03-28