Agatha Christie's Marple feature-length episodes, except series six which only has three episodes. The first six episodes were all adaptations of "Miss Marple" novels by Christie. Subsequent episodes were derived both from works featuring Miss Marple but also Christie novels that did not feature the character. The title of the series removes the word "Miss" from Miss Marple, to match the title of the "Agatha Christie's Poirot" series. "Agatha Christie's Marple" follows the adventures of Miss Jane Marple, an elderly spinster living in the quiet little village of St Mary Mead. During her many visits to friends and relatives in other villages (and
Agatha Christie's Marple sometimes when simply being at home), Miss Marple often stumbles upon or hears about mysterious murders, which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over. During her adventures, Miss Marple is aided by close friends, relatives, or other allies that she meets, which include Tommy and Tuppence - protagonists of another series of Christie novels. The only character to appear in every episode is Miss Marple herself, played by Geraldine McEwan until series 3 and by Julia McKenzie from series 4 onwards. A