Classic British sci-fi adventure starring Jon Pertwee. The Brigadier asks the Doctor to search for a number of missing scientists who, he discovers, have been sent back in time.

Classic British sci-fi adventure starring Tom Baker. The Doctor takes Harry on a trip aboard the TARDIS and their journey lands them on a potentially deadly space station in the far future.

Classic British sci-fi adventure starring Tom Baker. The Doctor and Sarah answer a distress call that leads them to Zeta Minor; the last planet of the known universe.

Classic British sci-fi adventure starring Tom Baker. The Doctor and Sarah return to Earth only discover a strangely deserted village and white-clad figures stalking through woodland.

Classic British sci-fi adventure starring Tom Baker. The TARDIS lands on Pluto in the far-future, where the Doctor finds unexpected phenomena including a totalitarian government.