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Diabolical

Season 1 Episode 3: 'Til Death Do We Part

Lyle and Carol Kopenskey are high school sweethearts who marry after graduation; after 40 years of marriage, one of them becomes involved in an extra-marital affair that leads to cold-blooded murder.

Season 1 Episodes:

Episode 1 Mistress Roulette

1. Mistress Roulette

Aired: Jan 1, 2018

Married family man Dr. Adam Frasch has a booming practice, and he loves to sp...

Episode 2 Lying for Love

2. Lying for Love

Aired: Mar 15, 2018

Temptress Cathy Cousin moves in next door to devoted family man Tim Koile, wr...

Episode 3 'Til Death Do We Part

3. 'Til Death Do We Part

Aired: Mar 22, 2018

Lyle and Carol Kopenskey are high school sweethearts who marry after graduati...

Episode 4 Who Lies Beneath

4. Who Lies Beneath

Aired: Mar 29, 2018

Valuing wealth more than love, Michelle Donohue casts aside good men before m...

Episode 5 Best of Friends

5. Best of Friends

Aired: Apr 5, 2018

After sneaking out of his parent's Garden Grove, CA house for a secret late-n...

Episode 6 Mother Of All Murders

6. Mother Of All Murders

Aired: Apr 12, 2018

Janet Lynn Mickey dreams of starting her own family and marries college footb...

Episode 7 Family Or Foe

7. Family Or Foe

Aired: Apr 19, 2018

A young family is on an evening stroll when suddenly terror strikes. Nothing ...

Episode 9 Weeping Widow

9. Weeping Widow

Aired: May 3, 2018

After losing her husband in a tragic accident, a God-fearing Cindy McKay clai...

Episode 10 Living Off The Dead

10. Living Off The Dead

Aired: May 10, 2018

George Kalomeris is a family man who looks after the less fortunate in his co...

Info about Diabolical

Seasons: 3

Network: Investigation Discovery

Production Countries: Canada, United States

Genres:Mystery