Ep 3. The Waters of Mars

In the third episode of the David Tennant specials season of Doctor Who, entitled "The Waters of Mars," the Doctor finds himself on a futuristic research station on the planet Mars. The base is home to a small crew of scientists who have discovered something unusual in the water that lies beneath the surface of the planet. As the Doctor investigates, he quickly realizes that the situation is far more dangerous than anyone could have anticipated.

The episode is set in the year 2059 and takes place on Bowie Base One, a research station on the surface of Mars. The crew on board the base are carrying out various experiments and research projects, many of which are focused on understanding the planet's water resources. However, they have recently encountered a strange problem - the water in their drilling well seems to be alive.

As the Doctor arrives on the base, he is immediately struck by the tense atmosphere that pervades the facility. The crew are all on edge, and it quickly becomes clear that something is seriously wrong. The Doctor starts to investigate the strange properties of the water, which seem to have unexpected healing powers. However, he also discovers that the water has a dark side - it can take over the bodies of those who come into contact with it, turning them into water-based monsters.

As the situation on the base becomes more and more dangerous, the Doctor is torn between wanting to save the crew and knowing that he should not interfere with the timeline of events. He struggles to find a way to stop the water from spreading and taking over everyone on the base, all while grappling with the fact that some events may be inevitable.

"The Waters of Mars" is a tense and thrilling episode that explores the dangers of human curiosity and the consequences of playing with forces beyond our understanding. As always, David Tennant shines as the Doctor, giving a masterful performance that captures the character's wit, intelligence, and compassion. The episode also features strong supporting performances from the ensemble cast, who convey the terror and desperation of their characters as they confront the unthinkable.

Overall, "The Waters of Mars" is a standout episode of Doctor Who that showcases the series at its best. It combines science fiction, horror, and drama in a way that is both chilling and thought-provoking. Fans of the show will not be disappointed by this thrilling adventure on the red planet.