Marguerite MacIntyre

Someone has been attacking patients at the hospital. A violent wind storm causes a power outage and ghosts suddenly appear -- some with good intentions and some bent on revenge. Also available on Xfinity, CW, Amazon Instant Video and VUDU

The present-day murders in Mystic Falls remind Damon of a similar crime spree a century earlier. In flashbacks to 1912, Damon recalls a beautiful vampire, Sage (recurring guest star CASSIDY FREEMAN – Smallville), who showed him a whole new way to exist. Sheriff Forbes (recurring guest star MARGUERITE MacINTYRE) warns Damon not to get involved in her investigation, but Damon is convinced she's going after the wrong suspect. Elena and Matt resort to breaking and entering in their search for evidence to prove Dr. Fell (recurring guest star TORREY DeVITTO) is a murderer. Additionally, Elena comes to a new understanding of the path her life has taken, and Damon makes an emotional confession to Stefan. Plus, for reasons known only to her, Rebekah (recurring guest star CLAIRE HOLT), becomes interested in locating one of the town's oldest landmarks. Also available on Netflix, Amazon Instant Video and VUDU

Sheriff Forbes delivers disturbing news to Alaric and Elena about a recent murder weapon, and Caroline is heartbroken when unable to stop a tragedy. Also available on iTunes, Amazon Instant Video and VUDU

Klaus and Stefan arrive in Chicago, where Stefan is reunited with a vampire (recurring guest star CLAIRE HOLT - Pretty Little Liars, H20: Just Add Water), who hasn't really moved on from her interest in him decades earlier. In a flashback to Chicago in the 1920s, Stefan comes face to face with a shocking chapter from his wild past. After Damon gets a tip on Stefan and Klaus' whereabouts from an unexpected source, he and Elena follow their trail. Meanwhile, back in Mystic Falls, Tyler is concerned about Caroline and turns to Sheriff Forbes (recurring guest star MARGUERITE MacINTYRE) for help. Also available on Netflix, Amazon Instant Video and VUDU

In the season finale, more than one life hangs in the balance as the consequences of the sacrifice ritual play out to a horrifying conclusion. Also available on iTunes, Amazon Instant Video and VUDU

Despite Elena's efforts to keep Jeremy safe, he offers to help Damon and Alaric deal with Katherine. Sheriff Forbes (recurring guest star MARGUERITE MacINTYRE) and Caroline share a few rare moments of quality mother/daughter time. Bonnie accidentally discovers new information about Mason (recurring guest star TAYLOR KINNEY) and shares it with Stefan, which leads to Damon taking matters into his own hands. Also available on Netflix, Amazon Instant Video and VUDU

Tyler learns more about the Lockwood family curse from Mason (recurring guest star TAYLOR KINNEY). Stefan and Damon argue over how to handle Mason. Elena tries to keep Jeremy from becoming more involved with the Lockwood mystery, but Jeremy makes an effort to hang out with Tyler. Mason gives Sheriff Lockwood (recurring guest star MARGUERITE MacINTYRE) some startling information, leading to a night of violence, confession and heartbreak. Also available on Netflix, Amazon Instant Video and VUDU

Guest star Melinda Clarke appears as Kelly, Matt's long-lost mother. Damon is asked by Sheriff Forbes to be part of a fundraising bachelor auction. Also available on Amazon Instant Video and VUDU

After reading the journal left by one of the Gilbert ancestors, Jeremy is inspired to return to his hobby of sketching fantasy creatures, a talent he had abandoned when his parents died. Much to the surprise of their friends, Matt and Caroline continue to hang out together. When Sheriff Forbes (recurring guest star Marguerite Macintyre) tells Damon there has been another attack, he offers to track down the killer and learns a startling piece of information about the town's founding families. Alaric (recurring guest star Matt Davis) steps in to help during an awkward scene with Jeremy, Tyler and Mayor Lockwood (recurring guest star Rob Pralgo). Stefan and Elena come to a new understanding, but everything changes when Elena accidentally makes a devastating discovery. Also available on Netflix, Amazon Instant Video and VUDU

On his birthday, Stefan is surprised by a visit from Lexi (guest star Arielle Kebble - The Grudge 2, Gilmore Girls), one of his oldest friends. Still upset by the events at the Halloween haunted house, Elena does her best to stay away from Stefan, but Lexi gives her some unsolicited relationship advice. Meanwhile, Elena and Jenna are surprised by a change in Jeremy's behavior and, at Damon's insistence, Caroline tries to get his medallion back from Bonnie. Plus, Damon's offer to help Sheriff Forbes (recurring guest star Marguerite MacIntyre) has sudden and tragic results. Also available on Netflix, Amazon Instant Video and VUDU

Elena demands that Stefan explain the frightening events that have been happening in Mystic Falls. In flashbacks, Stefan explains how his rivalry with Damon began. Back in the present, Damon impulsively takes control of Vicki's future, and a confused and frightened Vicki runs away. Sheriff Forbes (guest star Marguerite Macintyre - Kyle XY) and Mayor Lockwood (guest star Rob Pralgo - Army Wives) take steps to protect the town. Also available on Netflix