Doctor Who (1963) Season 19 Episode 15 The Visitation (3)

In the Doctor Who season 19 episode 15 titled "The Visitation (3)," the Doctor, Tegan, and Nyssa arrive in 1666 England, just after the Great Fire of London, to find themselves caught up in a dangerous plot. They come across some villagers opposing the work of the Terileptils, aliens trying to take over Earth. The Terileptils are fiercely territorial and do not take kindly to intruders. They have left a plague capsule in the nearby church which, if left unchecked, could wipe out the entire population of London.

As the trio tries to unravel the plot, they soon realize that the Terileptils have not only created an advanced technological device but also have plans of using it to destroy the nearby city of London. They form an alliance with Charles, a local man who is willing to help them defeat the Terileptils. Together, the group must navigate through the dark forests, sewers, and creepy attics to reach the church and stop the aliens from unleashing destruction and wiping out humanity.

Along the way, they encounter several challenges such as solving puzzles, dodging traps, and facing off against the Terileptils' deadly defense mechanisms. The Doctor uses his intelligence and ingenuity to outsmart the aliens while Tegan and Nyssa use their bravery and resourcefulness to save innocent lives and fight against oppression. Meanwhile, Charles must confront the morality of his previous actions in supporting the Terileptils.

As the clock ticks down, the group races against time to reach the church and prevent the plague from spreading. The stakes are high, and one wrong move could mean the end of civilization as they know it. In the end, the team's hard work pays off, and they are able to thwart the Terileptils' plans and save the people of London.

The Visitation (3) is an action-packed episode that showcases the Doctor's iconic problem-solving skills and the companions' unwavering courage. It offers a unique combination of science fiction and historical fiction elements, with an engaging plot and memorable characters. This episode is a must-see for fans of Doctor Who who love a good adventure and sci-fi drama.