On Thursday, September 15, The CW’s #1 show, THE VAMPIRE DIARIES (8:00-9:00 p.m. ET) returns, followed by new drama THE SECRET CIRCLE (9:00-10:00 p.m. ET), also from executive producer Kevin Williamson and based on a series of books by author L.J. Smith. Britt Robertson stars as Cassie, an orphaned teenage girl who discovers the truth about her lineage – she’s a witch who holds the key to an ancient battle between good and evil.