Doctor Who: The Black Guardian Trilogy (DVD)

All three classic battles with the Silurians and the Sea Devils! Doctor Who and the Silurians The Doctor is summoned to an underground research center at Wenley Moor to investigate a series of inexplicable power losses and soon discovers that the nearby cave system conceals a colony of an ancient race called the Silurians. The Sea Devils When the Doctor and Jo Grant pay a visit to the Master at a top security prison on a remote island off the south coast of England, the Doctor soon finds himself pitted against the Sea Devils, an ancient race of reptiles intent on eliminating humankind. Warriors of the Deep When the TARDIS is forced to make an unplanned visit to Sea Base Four, the Doctor, Tegan and Turlough find themselves accused of being enemy agents. However, there is a greater threat to humankind: the Silurians and Sea Devils, prehistoric reptiles seeking to reclaim the Earth