Ep 28. Logopolis (4)

The Doctor and his companions, Adric, Nyssa, and Tegan, arrive on a planet called Logopolis, where they encounter a group of mathematicians who are attempting to stave off the imminent destruction of the universe. The planet’s technology is based on the manipulation of mathematical formulae, and the Time Lords have sent the Doctor there to aid in their efforts.

The Doctor learns that the universe is dying due to the continued interference of a mysterious entity known as the Watcher, who seems to be somehow connected to him. The Watcher has been appearing to the Doctor throughout his recent adventures, and has been growing in presence and power with each encounter.

As the Logopolitans work to generate a solution to the universe’s impending doom, the Doctor becomes increasingly preoccupied with the Watcher’s presence. He begins to suspect that the entity may be some sort of manifestation of his own future self, sent back in time to prepare him for a terrible destiny.

With time running out and the universe on the brink of collapse, the Doctor and his companions are forced to confront the Watcher and unravel the mystery of its connection to the Doctor. As they delve deeper into the Watcher’s nature, they uncover unsettling truths about the Time Lord’s origins and the nature of reality itself.

In the face of overwhelming danger and uncertainty, the Doctor must make a daring decision that could alter the course of time itself. With the fate of the universe hanging in the balance, the stage is set for a final showdown that could change everything we thought we knew about Doctor Who.