As it has done in the past couple of years, the CW has given early renewals to its strongest series. The list includes flagship dramas The Vampire Diaries and Arrow,formidable veteran Supernatural and freshmen The Originals and Reign.
Arrow is the CW’s most-watched series (3.9 million), while The Vampire Diariescontinues to be the network’s highest-rated show in all key demos in its fifth season, and season to date is ranked #2 in the Thursday 8 PM time period among adults 18-34 (1.8 – tie), and #3 in adults 18-49 (1.8), ahead of ABC and NBC.
(source)