'Walking Dead' Season Finale Delivers Huge Ratings

Millions watched 'The Walking Dead' Season 4 finale, making it one of the highest rated shows in cable history.

The tense Season 4 finale of The Walking Dead aired Sunday, and the ratings were massive!

15.7 million people tuned in, beating last season's finale by over 3 million, and Breaking Bad's acclaimed series finale by 9 million.

The show is a cultural phenomenon, and Entertainment Tonight brings you three surprising facts about The Walking Dead's recording-breaking season finale.

And, while nothing has been announced officially, the rumor has it that Season 5 is set to debut next October.