BEGIN SLIDESHOW Comic-Con: The Walking Dead season 9 trailer is here! During the Hall H panel presentation at San Diego Comic-Con, AMC released the official trailer for the upcoming ninth season of The Walking Dead and revealed the series will premiere on October 7 on AMC. Check out the full The Walking Dead season 9 trailer in the player below! Star Andrew Lincoln also confirmed his departure from the series at the panel, saying: “This will be my last season playing the part of Rick Grimes.