Downton Abbey – season 5 – complete transcripts and more

• http://www.springfieldspringfield.co.uk/tv_show_episode_scripts.php
• http://downton-abbey.hypnoweb.net/guide-episodes/saison-5.211.978/

You can find there complete transcripts of episodes 1 through 4.

And yes, in English, although I found them on a French website.