Season 4
2025 · 8 episodes · 5h 55m in all · 3.3/10
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.

Episodes

1. Biff! Pow! Zap!
26 Sept 2025 · 45 min · 5.5/10
Sister Boniface investigates a sabotaged stunt when the lead actress in TV show “Foxman” plummets to her death.

2. A Murder of Crows
3 Oct 2025 · 45 min · 5.5/10
Sister Boniface investigates when a killer scarecrow wreaks havoc at the annual Scarecrow Festival.

3. Are Ye’ Dancin’?
10 Oct 2025 · 45 min · 5.5/10
When a member of a ceilidh band is slain Sister Boniface must catch the killer at Mrs Clam’s birthday party.

4. Killer Heels
17 Oct 2025 · 44 min · 5.5/10
Sister Boniface must tread carefully when the owner of the local shoe factory is found murdered.

5. Let the Games Begin!
24 Oct 2025 · 44 min · 1.0/10
Sister Boniface investigates when a bucking bronco goes haywire on the set of a hit TV game show.

6. There's No "I" In Slaughter
31 Oct 2025 · 44 min · 1.0/10
When a police team-building trip takes a sinister turn Sister Boniface must discover which of their rivals is a murderer.

7. The Happiest Family
7 Nov 2025 · 44 min · 1.0/10
Sister Boniface investigates when the nuns’ wholesome weekend away is overshadowed by hedonists and murder.

8. And Then There Were Nun
14 Nov 2025 · 44 min · 1.0/10
Can Sister Boniface catch the killer of a fellow nun before she leaves Great Slaughter for good?
Sister Boniface Mysteries Season 4: quick answers
How many episodes are in Sister Boniface Mysteries Season 4?
Season 4 of Sister Boniface Mysteries has 8 episodes, about 6 hours in total.
When did Sister Boniface Mysteries Season 4 come out?
Season 4 premiered on 26 Sept 2025.