Ep 12. Pyramids of Mars: Part 4

In the final installment of "Pyramids of Mars," the Doctor and his companion Sarah Jane Smith are in a desperate race against time to stop the evil Sutekh from annihilating all of existence. Sutekh, an ancient and malevolent being from another dimension, has been manipulating events on Earth for centuries in an effort to escape his prison and bring about the end of the universe.

As the Doctor and Sarah Jane race through the halls of the pyramid trying to find a way to stop Sutekh, they are confronted by a series of deadly traps and obstacles. With every passing moment, Sutekh gets closer to awakening from his confinement and unleashing his awesome power upon all creation.

The Doctor must use all of his knowledge and skill to navigate the treacherous terrain of the pyramid and outwit the cunning Sutekh. Along the way, he encounters a strange and ancient civilization with their own agendas and secrets, and is forced to make some difficult moral choices that could have far-reaching consequences.

As the episode comes to a stunning conclusion, the Doctor faces off against Sutekh in a final battle of wits and wills. With the fate of the universe hanging in the balance, the outcome of this showdown will determine the ultimate fate of all existence.

"Pyramids of Mars: Part 4" is a thrilling and action-packed episode of Classic Doctor Who that will keep viewers on the edge of their seats from beginning to end. With its gripping storyline, complex characters, and stunning visual effects, it is a must-see for any fan of the iconic sci-fi series.