Arrested after the events at Devils End, the Master (Roger Delgado) has been incarcerated at a top security prison on a remote island off the south coast of England. When the Doctor (Jon Pertwee) and Jo Grant (Katy Manning) pay a visit to their old enemy, they find him a reformed character. But can the spate of mysterious shipping accidents and garbled reports of sea monsters in the local area really be a coincidence? The Doctor soon finds himself pitted against the Sea Devils, an ancient race of reptile intent on eliminating humankind and reclaiming the Earth for themselves.
Commentary by director Michael Briant, producer Barry Letts, and script editor Terrance Dicks, moderated by Andrew Cartmel
Hello Sailor! Making Of with cast and crew interviews
8mm Film Behind the scenes amateur film with commentary
Trails and Continuities
Radio Times Listings (DVD-ROM PC/Mac)
The Making of Doctor Who Entire text of the 1972 Piccolo book (DVD-ROM PC/Mac)