The Doctor Who Hidden Depths audio CD, published by Big Finish Productions LTD in 2022, offers fans of the popular sci-fi series an immersive listening experience. Starring Christopher Eccleston as the Ninth Doctor, this 240-minute audio play delves into the mysteries of the Doctor's past as he navigates the depths of the Time Lord's mysterious realms. Written by Lizbeth Myles, Lisa McMullin, and John Dorney, this English-language production is sure to captivate listeners with its thrilling narrative and intriguing storyline. Perfect for fans of the Doctor Who series, this audio CD is a must-have for any sci-fi enthusiast.