WATCH: Sarah Michelle Gellar Back on TV Playing Dead 'Ringer' Twins

Watch this sneak peek of Sarah Michelle Gellar's return to series TV in the CW's drama "Ringer."

In the series, Sarah plays a woman who decides to go on the run after witnessing a murder, hiding out by assuming the life of her wealthy identical twin sister. But she quickly discovers shocking secrets that expose her sister's seemingly idyllic life as just as complicated and dangerous as the one she's trying to leave behind.

Among other new shows announced by The CW for the upcoming season are: "Hart of Dixie," starring Rachel Bilson as a top medical school graduate who accepts a job in a small southern town; "The Secret Circle," a drama from the producer of "The Vampire Diaries" about a coven of powerful witches; and "H8R," which features celebrities going head-to-head with civilians who hate them in an effort to win their "haters" over.