 (the Welsh equivalent of "Blind Date") but is perhaps best known for his acclaimed translation of Caradog Prichard's Welsh language novel "Un Nos Ola Leuad", as "One Moonlit Night" ().The translation was adapted for broadcast as a radio play (by Mitchell himself) and was transmitted on BBC Radio 4.It was also adapted for the stage and was performed at several theatres including Theatr Clwyd in Wrexham, Theatr Gwynedd in Bangor, and The Young Vic in London.