Doctor Who (1963) Season 19 Episode 13 The Visitation (1)

In Doctor Who season 19 episode 13 titled "The Visitation (1)," the Doctor and his companions Tegan and Nyssa land in England in the year 1666. They soon discover that an alien race known as the Terileptils have crash-landed on Earth and are planning to wipe out humanity by spreading the Black Death.

The Doctor and his companions team up with a highwayman named Richard Mace to stop the Terileptils and save humanity. Along the way, they encounter a group of villagers who are blaming the recent outbreak of the Plague on a mysterious figure known as "the Devil's Hound."

As they investigate the source of the outbreak, the Doctor and his companions must battle the Terileptils and their advanced technology. They also come face to face with the true identity of the Devil's Hound and uncover a plot that could have catastrophic effects on the timeline.

Throughout the episode, the Doctor's intelligence and quick thinking are put to the test as he works to outsmart the Terileptils and prevent the spread of the Black Death. Tegan and Nyssa also play key roles in the mission, showcasing their bravery and resourcefulness in the face of danger.

Overall, "The Visitation (1)" is a thrilling installment in the Doctor Who series that combines historical drama with sci-fi action. Fans of the show will be on the edge of their seats as they follow the Doctor and his companions on their latest adventure through time and space.