Half Moon Investigations. Image shows from L to R: Red Sharkey (Sebastian Charles), Fletcher 'Half' Moon (Rory Elrick). Copyright: BBC.

Half Moon Investigations

BBC One comedy drama. 13 episodes (1 series) in 2009. Stars Rory Elrick, Sebastian Charles, Olivia Grant, Nicola Duffell, Robyn Milne, Kathleen Kidd, Marcus Nash and others.

Series 1, Episode 3 - Purple Pool

A swimming trial is sabotaged, a betting ring busted, and pint-sized private eye, Fletcher Moon is forced to conquer his fear of water.

Further details

When someone tries to sabotage training for St Jerome's star swimmer, Harriet 'The Fish' Thompson, by putting purple die in the swimming pool, fully qualified young private detective Fletcher Moon is determined to find the culprit. His profound fear of water, however, threatens to jeopardise this water-based investigation. Much to ace reporter Mia's amusement and Moon's embarrassment it looks like he may fail to conquer his fear. Meanwhile headmistress Quinn apprehends Harriet's fellow swimmer Shell and Moon's crime busting partner Red, ignoring the protests of innocence. But why are The Pinks so keen that the swimming trial be cancelled?

Broadcast details

Monday 19th January 2009
30 minutes

Cast & crew

Regular cast
Rory Elrick Fletcher 'Half' Moon
Sebastian Charles Red Sharkey
Olivia Grant Mia Stone
Nicola Duffell April Devereaux
Robyn Milne Hazel Moon
Kathleen Kidd Genie Sharkey
Marion Weaver Mercedes Pink
Rameet Zandhu Zara
Jennifer Black Principal Quinn
Guest cast
Rosie Day Shell Travers
Carter Ferguson Pool Cleaner
Holly Hallam (as Holly Hallum) Xenia Rice
Gary McKay Mr Moon
Olivia Ross Harriet Thompson
Mary Wells Miss Healey
Writing team
Joe Williams Writer
Drew Proffitt Script Editor
Production team
Marcus D.F. White Director
Jonathan Phillips Producer
Josephine Ward Executive Producer

Supporters and subscribers get more

Additional content and tools are available across the site for Supporters and BCG Pro subscribers. On this page you can:

  • Broadcast details of 3 further repeats of this episode
  • BCG Pro business users can see additional crew credits  
    If you join BCG Pro business, you can see production designer, composer & editor credits for this episode.

Donate (for fans) BCG Pro

Already a donor or Pro user?