Rachel (The Rookie)
Rachel (Bailey Noble) is a tragic villainess from "Redwood," episode 1.11 of The Rookie (airdate January 22, 2019).
Rachel was first shown exiting a hospital bathroom stall and washing her hands next to rookie officer Lucy Chen, who noticed that Rachel was in tears. She stated to Chen that her brother was hospitalized after being in a car accident before leaving the bathroom, and it was after Rachel left that Chen noticed a bottle of bleach inside the stall, as well as the cap to a syringe. Chen later followed Rachel to her brother's room, where he was shown on life support, and she walked in and witnessed Rachel turning heel and preparing to inject her brother with a needle full of bleach, intending to kill him.
Following her surprise heel…
Ali Thornton (Lucifer)
Ali Thornton (Bri Neal) was a hidden (redeemed) villainess from "The Would-Be Prince of Darkness," episode 1.03 of Lucifer (airdate February 8, 2016).
Ali Thornton was introduced as one of many guests at a party hosted by up-and-coming quarterback Ty Huntley, with Lucifer Morningstar hooking Ty up with Ali following Ty's reveal as a virgin. Shortly afterwards, Ali was found dead in Ty's pool, leading to Ty being suspected of the murder and even arrested by detective Chloe Decker. Lucifer refused to believe that Ty was a killer, and his and Chloe's investigation led them to Ty's agent, Joe Hanson, who revealed that he enlisted Ali to have sex with Ty to help him get over his ex-girlfriend, Debra Macall, who was revealed as a crazed fan who T…
Denise Partney (CSI: Miami)
Denise Partney (Leslie Hope) is a villainess from "Permanent Vacation", episode 6.08 of CSI: Miami (airdate November 12, 2007). She is the wife of Roger Partney and the mother of their two sons, Brian and Shane.
The Partneys were a family of Canadian tourists vacationing in Miami, when Brian was suddenly shot to death. Denise was shown briefly in the beginning of the episode, and returned in the final scenes, where she was encountered by Natalia Boa Vista. Natalia gave Denise a broken pocket watch that belonged to Brian, with the watch stopped at 10:10 - the time of his murder.
Brian was shot and killed by Vasco Torres, who did so under the orders of Mitch Pena as part of his initiation with a notorious gang known as Cobras - though, a side …
Olivia Gordon (Blue Bloods)
Olivia Gordon (Jasmine Carmichael) is a hidden villainess from "Under the Gun," episode 5.09 of Blue Bloods (airdate December 12, 2014). She is the trial prep assistant to Erin Reagan, and she was shown in the beginning of the episode during the murder trial of gang leader Winslow Martin.
The hearing featured a shocking occurrence; when Erin handed detective Lewis Hardy a gun from the evidence locker and asked if it was the gun used in the murder, Hardy felt the weapon and said that it wasn't. This led to the conclusion that someone had taken the real gun and switched it with a different weapon, and Erin's first suspect was Hardy himself. With the help of detective Alex McBride, Hardy's financials were investigated, but nothing showed that …
Sarah (Supernatural)
'Sarah (Bellamy Young) was a possessed villainess from Supernaturals fifth season opener, "Sympathy for the Devil" (airdate September 10, 2009).
In life, Sarah was married to Nick, but before the episode's events, Sarah and her infant child were both murdered by an armed intruder. It was later revealed in Season 14 that the demon Abraxas killed Sarah and her child while possessing a neighbor, doing so under Lucifer's orders.
In the episode, Sarah was possessed by Lucifer (who escaped Hell in the Season Four finale) and appeared to Nick, who was in his bedroom still in mourning. The villainess manipulated Nick into believing that God caused the loss of his family, while attempting to coerce him to become the Devil's next vessel. Sarah also cl…