The Airzone Solution takes place in a future Britain where pollution has reached a point where the populace must often wear filtration masks when they venture outside. AirZone, a powerful corporation, signs a lucrative deal with the government to deal with the problem. The public is told that AirZone plans to build giant filtration plants to clean the atmosphere, but environmentalists are skeptical, especially when people begin dying and disappearing around AirZone facilities.

This thirteen-part series explores just how painful love can be for young people. Would-be writer Edward Richardson is in love with heiress Lydia Aspen and wants her all to himself. Lydia professes to be in love with him, but her first love is excitement. There are several other young men who vie with Richardson for Lydia's affection, and she sends mixed signals to them all, playing them off against each other, sometimes with dire results. At least that's the way Richardson sees things, but it's not the whole story. Written by George S. Davis

The Doctor's past incarnations are taken out of time by a forbidden time scoop device. The fourth Doctor becomes trapped in the vortex but the others find themselves, together with a number of their old companions, with the fifth Doctor and his companions in the Death Zone on their home planet Gallifrey.
Here they face a Dalek, a Yeti, a quicksilver Raston Warrior Robot and numerous Cybermen. Also present is the Master, who has been summoned by the High Council of Time Lords to help the Doctor. It turns out that President Borusa is the mysterious operator of the time scoop. He aims to use the Doctors to breach the defences of the Dark Tower - Rassilon's tomb - so that he can enter there and claim immortality.
When he does so, however, he is condemned by Rassilon to eternal existence in the form of a living statue.

The Tenth Doctor meets one of his previous incarnations.