Helen Farrall (born Helen Eatock) is a professional screenwriter and storyliner. She was an episode writer for Thomas & Friends, writing for the series from 2014 to 2016. She was recommended to HiT Entertainmentby her previous employers and they commissioned her to write five episodes in 2014 for the nineteenth series and wrote eight episodes in 2015 for the twentieth series, with only seven airing. She also wrote four additional episodes for the twenty-first series along with the other one that was not a part of the twentieth series. She pitched ideas to HiT Entertainment for a new pre-school children's series. She has written for numerous other shows such as "Bob the Builder", "Postman Pat", "Doctors", "Byker Grove", "Children's Ward", "Grange Hill", "Bad Girls" and a few more.