READ MORE: Review: 'The Walking Dead' Season 5, Episode 16: 'Conquer' Your Fear As "Mad Men" returns April 5 with its final seven episodes, it makes sense that AMC would want to roll out teasers for their next batch of hopeful successes. These 15 second previews spotlight the sci-fi drama "Humans," martial arts series "Into the Badlands" and "The Walking Dead" spin-off "Fear the Walking Dead." "Humans" takes place in an alternate present where the latest tech-trend is a robotic servant called a Synth.