Main Article: Derek Hale
Derek is seen, tied up and covered in cobwebs, in what appears to be an Aztec temple in Mexico. After Scott rescues him, Derek appears to be a 15 year-old boy. (Read More...)
Derek, regressed physically and mentally to the age of 15, returns to Beacon Hills. He doesn't remember the fire that killed his family. Kate convinces him to open the Hale Family Vault underneath Beacon Hills High School. (Read More...)
Derek hires Braeden to find Kate in hopes of learning what she did to him to cause his eyes to revert from blue to yellow. (Read More...)
Derek helps Sheriff Stilinski investigate and fight The Mute. (Read More...)
Derek meets Liam Dunbar and advises Scott. He shows Chris the Hale Vault and explains that Kate did something to cause his recent eye color change and loss of powers. (Read More...)
He and Malia go in search of Satomi's pack. He finds an injured Braeden. (Read More...)
Derek takes Braeden to the hospital. He and Satomi unwittingly come up with the cure for weaponized distemper. (Read More...)
He admits to Braeden that all of his werewolf abilities are gone. She tries to teach him how to use a gun and they end up having sex. (Read More...)
Derek says he doesn't know what kind of supernatural Jordan Parrish might be. He and Braeden save Scott, Malia, and Liam from assassins. (Read More...)
Derek helps Braeden, Scott, Kira, and Chris Argent defend Satomi's pack from assassins. (Read More...)
Derek gets a late night visit from a screaming Lydia. He tells Scott the Dead Pool money is Peter's, not his. He explains that he owns his building and has other bank accounts. (Read More...)
Derek travels to Mexico and tries but fails to help Liam control his shift on the full moon. He is mortally wounded in a fight with a Berserker and apparently dies for a little while. He reemerges with the ability to shift fully into wolf form and manages to seriously wound Kate. (Read More...)