Classic British sci-fi adventure starring Jon Pertwee. While the Doctor and Jo are trapped on the fort by a Sea Devil, the Master steals some electronic components. Part 2/6.
 

Classic British sci-fi adventure starring Jon Pertwee. Trenchard holds the Doctor captive while the Master attempts to make contact with the Sea Devils. Part 3/6.

Classic British sci-fi adventure starring Jon Pertwee. After the Sea Devils attack the island prison and rescue the Master, the Doctor must venture underwater in pursuit. Part 4/6.

Classic British sci-fi adventure starring Jon Pertwee. While the Doctor tries to make peace with the Sea Devils in the their underwater colony, the navy launch an attack on the base! Part 5/6.
 

Classic British sci-fi adventure starring Jon Pertwee. When the Sea Devils take over the naval base, the Doctor is forced to work with the Master to revive the creatures' colony. Part 6/6.

Classic British sci-fi adventure starring Jon Pertwee. During a test of a new dematerialisation circuit, the TARDIS transports the Doctor and Jo into the hold of a 1920s cargo ship. Part 1/4.

Classic British sci-fi adventure starring Jon Pertwee. While the Doctor and Jo try to find a away out, the crew of the Bernice suddenly becomes a lot more dangerous. Part 2/4.

Classic British sci-fi adventure starring Jon Pertwee. When the Doctor and Jo return to the Bernice to aid their escape, they find themselves pursued by the Drashigs. Part 3/4.

Classic British sci-fi adventure starring Jon Pertwee. The Doctor joins forces with Vorg in order to save innocent lives, but Kalik is still determined to start a rebellion. Part 4/4.
 

Classic British sci-fi adventure with Jon Pertwee, William Hartnell and Patrick Troughton. Three incarnations of the Doctor join forces to face the evil Omega in a universe of antimatter. Part 1/4.