
Episodes

1. The Queen of Poisons (1)
18 Mar 2026 · 44 min · 2.6/10
When the Mayor dies in the middle of a meeting, Judith, Becks and Suzie uncover lies, scandal and blackmail.

2. The Queen of Poisons (2)
18 Mar 2026 · 44 min · 2.7/10
As the suspects' secrets stack up, Judith, Becks and Suzie still can't find anyone with a motive to hurt the Mayor.

3. Murder in the Dark (1)
25 Mar 2026 · 44 min · 2.6/10
When a man is killed at her university reunion, Becks finds herself on the wrong side of an investigation. Was a friend responsible or did someone break in?

4. Murder in the Dark (2)
25 Mar 2026 · 44 min · 2.8/10
As Judith and Suzie work with the police to find the killer, tensions rise among Becks' friends in the house. Guest starring Harry Enfield.

5. An Appetite for Murder (1)
1 Apr 2026 · 44 min · 2.7/10
When a popular but tempestuous celebrity chef is murdered during his cookbook launch, there's no shortage of suspects for Judith, Suzie and Becks.

6. An Appetite for Murder (2)
1 Apr 2026 · 44 min · 2.7/10
As police investigate the chef's death, a new development makes them rethink everything they have learned so far. Guest starring Susan Lynch.
The Marlow Murder Club Series 3: quick answers
How many episodes are in The Marlow Murder Club Series 3?
Series 3 of The Marlow Murder Club has 6 episodes, about 4 hours in total.
When did The Marlow Murder Club Series 3 come out?
Series 3 premiered on 18 Mar 2026.
What is the best episode of The Marlow Murder Club Series 3?
By viewer score, episode 4, “Murder in the Dark (2)”, at 2.8/10.