Grab your nearest Harvey Wallbanger, this time we find ourselves deep in a whodunnit with none other than Agatha Christie in tow! How does this episode fare as the precursor to a string of Series 4 bangers? Can Rich and Amy keep on topic and actually pronounce words correctly? Tune in and find out! Send us your questions for our next episode on the Spotify app, or over on Twitter: @kasterpod.