Season Two (unnatural)

Season summary
Season 2 picks up directly where the events of season 1, following the confrontations with Yellow Eyed Man and Hecate occured. Both the lives of Laura's sister Michelle and Katherine Winters hangs in the balance.

Principal cast
In order of character appearances 
 * Jensen Ackles as James Harrison(24/24)
 * Michael Trevino as Dean Harrison (24/24)
 * Jared Padalecki as Adam Harrison(23/24)
 * Jeffery Dean Morgan as John Harrison (18/24)
 * Eliza Dusku as Katherine Winters (17/24)
 * Candice Accola as Laura Price (15/24)
 * Jim Beaver as Alaric Ford (14/24)
 * Rachel Harper (12/24)
 * Marcus Harper (12/24)
 * Nina Dorbrev as Kelly Harper (9/24)

Recurring cast
In order of character appearances 
 * Yellow Eyed Man (8/24)
 * Katerina Graham as Belinda Bennet (8/24)
 * Athena Holmes (4/24)
 * Alyson Hannigan as Hecate ](4/24)
 * Charles Malik Whitfield as William (4/24)
 * Alyssa Milano as Lucy Carmel (4/24)
 * Amy Acker as Nikki Reed (3/24)
 * Hayden Pantierre as Michelle Price (3/24)
 * Gina Torris as Juliet Moore (3/24)
 * Gillan Anderson as Sherif Danielle Hannigan (2/24)
 * David Boreanaz as Detecetive Michael Stevens (2/24)
 * Sarah Harrison (3/24)
 * Billy Drago as Barbas (2/24)
 * Darla (1/24)
 * Richard(1/24)
 * Adrianne Palicki as Jessica Love (1/24)
 * Danny Ronald (1/24)
 * Brain Austin Green as Adam Green (1/24)

Firsts

 * Adam Harrison does not appear in one episode of the season.
 * The only season where only Jensen Ackles and Michael Trevino appears in every episode.
 * The first season in which no main characters are killed off, this would only occur one more time during season six, otherwise every other season features at least one main character being killed off.

Main plot points
Season 2 concentrated on the hunt for Hecate. Major plot points included:
 * Laura discovering that Marcus is her birth father.
 * Adam's visions and powers and being possessed by a demon (Athena).
 * Main Villain's encountered this season:
 * The Demon of Fear: Barbas
 * Major confrontations with Yellow Eyed Man and Hecate.

Character Appearances
James Harrisonand  Dean Harrison (24/24 episodes)

Adam Harrison(23/24; absent in 2x12)

John Harrison (18/24 episodes; absent in 2x4, 2x5, 2x7, 2x12, 2x13, 2x19)

Katherine Winters (17/24 episodes; absent in 2x4, 2x6, 2x7, 2x13, 2x14, 2x15, 2x18)

Laura Price (15/24; absent in 2x2, 2x5, 2x7, 2x8, 2x12, 2x13, 2x16, 2x18, 2x19)

Alaric Ford (14/24; absent in tbc)

Rachel Harper (12/24 episodes; appears in 2x2, 2x3, 2x5, 2x6, 2x8, 2x9, 2x10, 2x11, 2x15, 2x20, 2x22, 2x24)

Marcus Harper (12/24 episodes; appears in 2x2, 2x5, 2x6, 2x8, 2x9, 2x10, 2x11, 2x15, 2x20, 2x22, 2x23, 2x24) Kelly Harper (9/24; appears in 2x2, 2x6, 2x9, 2x10, 2x16, 2x17, 2x22, 2x23, 2x24) Belinda Bennet (8/24; appears in 2x1, 2x9, 2x10, 2x11, 2x14, 2x21, 2x23, 2x24) Juliet Moore (3/24; appears in 2x6, 2x8, 2x23) Athena Holmes (4/24; appears in 2x14, 2x20, 2x23, 2x24)