Sally makes a major sacrifice to keep her vision from coming true; Aidan fights to destroy the evil spirit; Josh and Nora think carefully about their future.

Sally finds out who has been haunting her; Josh tries to reunite with Nora.

Josh and Nora face Liam; Sally deals with the outcome of her showdown with Donna; Aidan must deal with Kenny.

Nora finds out the truth about Josh; Sally misses her "door", but gains new powers; Aidan has a final showdown with Bishop, with surprising results. We also see how Aidan and Josh first met.

Aidan tries to save Henry's life; Sally learns more about the reaper; old friends visit Josh.

Aidan remembers his wife; Sally struggles with a hunger that she hasn't felt before; Josh and Nora meet an older wolf.

Josh, Aidan, and Sally battle Donna. Kenny wakes up -- but things don't go as expected.

Aidan deals with vampires; Josh prepares to reenter medical school; Sally's powers strengthen.

Sally becomes locked in a dream world; Aidan, Josh and Zoe fight for their life.

Sally's mother returns; Aidan wants to kill Mother; Josh intends to kill Ray.

After his break from the Family, Aidan is afraid that Bishop will try to hurt him and his friends. At the hospital, he encounters a former lover, who has come to the hospital to die. Josh runs into Nora, and is afraid about possible complications in her pregnancy. Meanwhile, Sally finally finds a way to hurt Danny.

Sally tries to convince Zoe not to turn her back on her gift; Josh is not sure if he should tell Julia the truth about himself; Aidan tries to make a life with Suren.

Josh and Nora prepare for another "change"; Sally looks into reincarnation; Aidan dates a human.

Josh and Nora search for Donna; Aidan breaks Kenny out of the hospital.

Josh and Julia face their past; Sally is offered a job; Aidan and Suren get rid of Boston's fringe vampires.

Stevie asks Sally to kill him; and Aidan takes Kat out on a date, during which he's overwhelmed by memories of his wife and son.

Josh is miserable after his latest full moon transformation resulted in him waking up next to a bloody dead deer in the woods. Aidan suggests that he and Josh should live together so they can watch out for each other. When they've found the perfect apartment, they realise the place comes with its own ghost, Sally

Sally meets a ghostly new friend who teaches her how to cross physical boundaries like the apartment. Josh gets roped into the Neighborhood Watch against his wishes. Aidan is recognised by the son of one of his past victims, who is determined to confront Aidan about his father's murder.

Sally begs the guys to call Danny over so she can try to make him see her presence somehow. Aidan, while trying to fight off Cara's unwanted admiration, receives some shocking news about someone who he thought was dead. Josh discovers Aidan's involvement in the Rebecca incident and confronts him about it; at the same time, Josh is also struggling with whether to tell his sister the truth about himself.

Josh meets a werewolf who teaches him how to accept the change and is more than meets the eye. Aidan begins a dangerous relationship with an acquaintance. Sally learns that she needs to stop interfering in the lives of those she left behind.

Aidan receives a “video postcard” from an old friend. Sally takes Aidan up on his offer to “take care of her problem.” Josh’s sister moves in with them which causes problems for the roommates. Josh goes on a date with a nurse from the hospital.

Nora and Josh meet a teenage runaway; Sally tries to make things right with Troy; Aidan and Henry search for clean blood.

Aidan has his hands full with a problem created at Bishop’s request. Sally remembers the details that led to her death. Josh learns the truth about the night that led to his change.

Josh reconnects with Emily; Aidan's blood supply is jeopardized; Sally gets in touch with a friend from her past.

Sally reaches out to Aidan; Josh helps Aidan locate untainted blood.

Sally flirts with an old acquaintance; Aidan searches for blood; Josh considers taking his relationship with Nora further.

Josh is forced into "dog" fighting. Aidan is forced to play the good "son," while the elders are in town, and Sally has to act as a mediator between the two.

Josh is trapped inside his wolf as Nora and Aidan struggle to contain him; Sally finds herself imprisoned in a mysterious place with Donna.

Josh deals with his relationship with Nora; Aidan helps Suren; Sally discovers new ghostly powers.

Sally tries to make things right after she encounters someone from her past; Kenny spurs Aidan's memories.

Josh has an odd and interesting homecoming. Sally attempts to protect Bridget from Danny but fails. Aidan deals with the aftermath of Marcus' attack.

Sally goes to Donna for help; Aidan and Suzanna come face to face with the truth about their past; Josh and Nora seek help from an old friend.