Serial Season 1 Plot
In Ashbourne Falls, Harold hides in plain sight, a quiet man with a dark compulsion to kill. Mabel, a disgraced nurse, moves through life with a dark secret. Starring Stephanie Harlowe, this is the story of two killers destined to collide.
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Season 1 Episodes
12 episodes
1
Harold and Mabel
A quiet loner stalks new prey as a nurse's firing sends her spiraling toward a violent breaking point.
2
Masks We Wore
On Halloween, Harold meets a former classmate. Mabel's care trouble stirs buried childhood trauma.
3
Harold's Mom
Harold seeks love but unleashes darkness. Mabel seeks shelter in Uncle Tony's garage, but he has other plans.
4
When Harold Met Mabel
A strange errand, an eerie accident, and a caretaker with secrets. Harold finds peace comes with a price.
5
Merry Christmas Harold and Mabel (Holiday Special)
Harold's Santa gig ends early, until Mabel quietly clears the way for his return.
6
Whispers In The Water
Mabel and Harold form a bond as a body is found, and a social worker comes snooping.
7
My Name Is Harold
Harold's new job brings trouble as memories haunt him, while Mabel faces a dangerous situation at home.
8
Harold the Hare
Harold's Easter Bunny gig leads to police questions, while Mabel reveals shocking truths about her past.
9
Shut up and Dance
Detective Kershaw closes in as Harold and Mabel confront a dark past that only deepens their twisted bond.
10
A Night To Remember
Mabel makes a move, but Harold's clueless, until trouble strikes and Aunt Gertrude stirs the pot.
11
The Triangle of Death
Harold struggles with guilt over the jogger, while Mabel faces a threat from a doctor about her past.
12
Carving Season (Holiday Special)
A carved pumpkin at work brings Harold face to face with the legend Mabel warned him about: The Carver.