The Twin Dilemma (aired circa March 1986)
(Introduction not currently available)
"Next Week": Next week, the Doctor and Peri confront a race without a planet, and the will and means to dosomething about it. One might be tempted to sympathize with their plight, were it not for the fact that it is ourplanet that they have chosen as the ideal place to reside [!]. Be with us next Sunday at 11 for... the "Attack of the Cybermen."