Marcus Harper

Character Overview
Season One

Marcus was first introduced along with her wife Rachel and step daughter Kelly in the second episode "No Exit", James, Dean and Adam reunite with the Harper clan, having previously known them as children.

In "The House of the Rising Kelly",

In "The Halloween Party"

In "Bloodlines",

Marcus and Rachel both return in  "A Family Ties" but only towards the end of the episode to assist, but appear in flashbacks frequently throughout the episode.

Rachel and Marcus both return in the the final two episodes of the season "The Devil's Rising" and take part in the big demon hunting.

Season Two
Marcus in "2x2"

Rachel in "2x5"

Rachel in "2x6"

Marcus in "2x8, "2x9" and "2x10"

in "2x11" Marcus appears at the end of the episode when Rachel gets a call from John who is concerned about Adam, and tells her and Marcus if they notice odd behaviours if he happens to visit at times. Both are concerned.

Marcus in "2x14"

Marcus in "2x16"

Marcus appears in "2x20" Marcus returns to the bar and reunites with Rachel, before she tells him to call everyone as she has found new information. He is with the whole group at the bar as they discuss Yellow Eyed Man and recent information Rachel and John have collected.

Marcus is seen in the alternate world in 2x22.

Marcus appears in both "2x23" and "2x24".

Season Three
Marcus appears less than previous season in only four episodes in episode "301", "303", "304" and "3x23"

Appearances
Season One (7 episodes) Season Two (13 episodes) Season Three (4 episodes) Season Four (13 episodes) Season Five (5 episodes) Season Six (1 episode) Season Seven (1 episode) Season Ten (4 episodes)
 * No Exit (1x2)
 * House of The Rising Kelly (1x5)
 * The Halloween Party (1x6)
 * Bloodlines (1x11)
 * A Family Ties (1x13)
 * The Devils Rising (1x23)
 * The Devils Rising Part 2 (1x24)
 * 2x2
 * 2x5
 * 2x6
 * 2x8
 * 2x9
 * 2x10
 * 2x11
 * 2x14
 * 2x16
 * 2x20
 * 2x22 (alternate universe only)
 * 2x23
 * 2x24
 * 3x1
 * 3x3
 * 3x4
 * 3x23
 * 4x1
 * 4x2
 * 4x3
 * 4x6
 * 4x9 (flashbacks only)
 * 4x10
 * 4x13
 * 4x14
 * 4x18 (alternate universe only)
 * 4x20
 * 4x21
 * 4x22
 * 4x23
 * 5x2
 * 5x6
 * 5x7
 * 5x9
 * 5x10 (killed)
 * 6x18 (alternate reality world)
 * 7x4 (ghost)
 * 10x3 (flashback only)
 * 10x9 (flashback only)
 * 10x23 (dream sequence)
 * 10x24 (ghost)