- Murder Before Evensong
NR | Crime/Mystery
- Mystery Road
NR | Crime drama/Mystery
- Mystery Theatre Special
NR | Mystery/Special
- Maigret on Masterpiece
NR | Crime/Mystery
- The Midwich Cuckoos
NR | Drama/Science fiction
- Missing
NR | Drama/Mystery
- Murder for Sale
NR | Mystery/Special
- The Mysterious Case of Bea Montenegro
NR | Mystery