Ep 19. Inferno: Part 1

Inferno: Part 1 is the nineteenth episode of the seventh season of the renowned British science-fiction television series, Classic Doctor Who. The episode features the Doctor, a time-traveling alien from the planet Gallifrey in a race against time to stop the impending doom that threatens the planet Earth.

The episode opens with the Doctor working on a scientific project at the Inferno Project, which aims to drill into the earth's crust in search of an alternative fuel source. However, disaster strikes when the drilling causes a massive volcanic eruption that threatens to destroy the planet. As the situation unfolds, the Doctor realizes that he must find a way to stop the project before it's too late.

As the Doctor and his team begin to investigate the causes of the eruption, they stumble upon a parallel universe that exists within the same physical space as their own. However, this alternate universe is a dark mirror of their own world, where the Inferno Project has caused the destruction of the planet.

As the episode progresses, the Doctor becomes more and more certain that he must find a way to stop the project before it's too late. However, he faces numerous obstacles in his quest, including the corrupt members of the project committee who are more concerned with their own ambitions than the safety of the planet.

Inferno: Part 1 is an intense and thrilling episode that showcases the series' trademark storytelling and character development. The episode features excellent performances from the cast, especially Jon Pertwee, who plays the titular character with charisma and gravitas.

Overall, Inferno: Part 1 is a must-watch for fans of Classic Doctor Who, as well as those looking for a classic science-fiction adventure that will keep them on the edge of their seat. With its engaging storyline, excellent performances, and memorable characters, this episode is a standout entry in the long and storied history of the Doctor Who franchise.