The Walking Dead 1x6 TS-19 Season 1 Season 0 47 EpisodesSeason 1 6 EpisodesSeason 2 13 EpisodesSeason 3 16 EpisodesSeason 4 16 EpisodesSeason 5 16 EpisodesSeason 6 16 EpisodesSeason 7 16 EpisodesSeason 8 16 EpisodesSeason 9 16 EpisodesSeason 10 22 EpisodesSeason 11 1 Episodes 1x1 - Days Gone Bye 1x2 - Guts 1x3 - Tell It to the Frogs 1x4 - Vatos 1x5 - Wildfire 1x6 - TS-19 Rick and the group are allowed into the CDC by a strange doctor, but all is not what it seems in their newfound haven.