Ep 4. Day of the Daleks (4)

The Doctor returns for Season 9 in Day of the Daleks (4), an explosive adventure that sees him facing off against his deadliest foes yet. In this episode, the Doctor travels to Earth in the future where a group of guerrilla fighters have discovered time travel technology and are using it to try and prevent the Dalek invasion of their planet.

The episode begins with the Doctor (played once again by Peter Capaldi) receiving a distress signal from the future. He arrives to find a group of rebels under attack from Daleks, and manages to help them escape using the power of his TARDIS. The rebels explain that they are from the 22nd century and that the Daleks have invaded Earth, reducing the planet to a barren wasteland.

As he often does, the Doctor feels compelled to help these brave fighters in their mission. They have learned that the Daleks are planning a devastating attack on a conference of world leaders, which will take place in the present day. If they can change the outcome of this conference, the rebels believe they can alter the course of history and prevent the Daleks from ever gaining a foothold on Earth.

With the help of the rebels, the Doctor travels back in time to the year 1972 to try and prevent the conference from taking place. But they find that the Daleks have already sent a group of their own back in time as well, and the two groups engage in a frantic race to see who can alter the course of history first.

This episode is filled with thrilling action sequences, as the Doctor and the rebels must navigate their way through a maze of traps and obstacles to reach the site of the conference. But it's also a deeply emotional story, with themes of sacrifice, heroism, and the power of friendship running throughout.

Fans of the classic Doctor Who series will be pleased to know that this episode features the return of the iconic villains, the Daleks. Longtime fans will remember that the Daleks first appeared in the series way back in 1963, and they remain one of the most menacing and memorable foes the Doctor has ever faced.

Overall, Day of the Daleks (4) is a fast-paced, action-packed episode that will keep viewers on the edge of their seats from beginning to end. With strong performances from the cast and an exciting, engaging storyline, it's a must-see for Doctor Who fans both old and new.