` ` The Walking Dead 's '' season two premiere attracted 2 viewers . It was already the the most successful basic cable drama of all time in the adult demo . But what 's really impressive is the show 's adults 18-49 demo rating of a 5.8 . Last night 's was up more than 50 percent from third season .
` ` The Walking Dead 's '' season two premiere attracted 2 viewers . It was already the the most successful basic cable drama of all time in the adult demo . Last night 's was up more than 50 percent from third season .