Season 4

8 Episodes2025

The nun who is the police’s secret weapon is back. Crime solving is her habit! The wine-making, moped-riding nun investigates more ugly deeds in beautiful surroundings. It’s the mid-1960s in the quaint Cotswold village of Great Slaughter, but strange things are afoot. A killer scarecrow stalks the streets, all the women call a general strike and the police embark on something called “team building”. Sister Boniface is looking forward to a wholesome weekend away with the sisters, only to be confronted with yet another murder.

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Episodes (8)

Ep 1

Biff! Pow! Zap!

★5.5

2025-09-26•45m

Sister Boniface investigates a sabotaged stunt when the lead actress in TV show “Foxman” plummets to her death.

Ep 2

A Murder of Crows

★5.5

2025-10-03•45m

Sister Boniface investigates when a killer scarecrow wreaks havoc at the annual Scarecrow Festival.

Ep 3

Are Ye’ Dancin’?

★5.5

2025-10-10•45m

When a member of a ceilidh band is slain Sister Boniface must catch the killer at Mrs Clam’s birthday party.

Ep 4

Killer Heels

★5.5

2025-10-17•44m

Sister Boniface must tread carefully when the owner of the local shoe factory is found murdered.

Ep 5

Let the Games Begin!

★1.0

2025-10-24•44m

Sister Boniface investigates when a bucking bronco goes haywire on the set of a hit TV game show.

Ep 6

There's No "I" In Slaughter

★1.0

2025-10-31•44m

When a police team-building trip takes a sinister turn Sister Boniface must discover which of their rivals is a murderer.

Ep 7

The Happiest Family

★1.0

2025-11-07•44m

Sister Boniface investigates when the nuns’ wholesome weekend away is overshadowed by hedonists and murder.

Ep 8

And Then There Were Nun

★1.0

2025-11-14•44m

Can Sister Boniface catch the killer of a fellow nun before she leaves Great Slaughter for good?