Doctor Who Spring 2022: Legend of the Sea Devils

In a swashbuckling special adventure, the Doctor, Yaz and Dan come face to fin with one of the Doctor's oldest adversaries, the Sea Devils. Why has legendary pirate queen Madam Ching come searching for a lost treasure? What terrifying forces lurk beneath the oceans of the 19th century? And did Yaz really have to dress Dan up as a pirate?