Entertainment Jeffrey Dean Morgan Returns to Supernatural – IGN News Published December 12, 2018 http://assets14.ign.com/videos/zencoder/2018/12/12/640/59bdbbb6584f85b10f74c8fab0279db1-347000-1544651500.mp4The Walking Dead star Jeffrey Dean Morgan is officially returning to Supernatural for its milestone 300th episode after more than a decade away.