Fear the Walking Dead season 3 teaser trailer debuts AMC has released a new teaser trailer for Fear the Walking Dead Season 3, which returns on Sunday, June 4 at 9:00 p.m. ET/PT with two back-to-back episodes. Check it out in the player below! As Fear the Walking Dead returns for season three, our families will be brought together in the vibrant and violent region formerly known as the U.S.-Mexico border.