Ep 10. The Eaters of Light

In Doctor Who (2005) season 10 episode 10, titled "The Eaters of Light," the Doctor (played by Peter Capaldi) and his companions Bill (Pearl Mackie) and Nardole (Matt Lucas) travel to ancient Scotland where they encounter a group of Roman soldiers who have gone missing while trying to conquer the local tribes.

As they investigate, they discover that a mysterious creature known as the Eater of Light is responsible for the disappearances. It is a powerful being from another dimension that feeds on the souls of those who die during battle, and it has been awakened by the conflict between the Romans and the tribes.

The Doctor and his companions team up with a group of local warriors, including a young woman named Kar (Rebecca Benson), to try and stop the Eater of Light. However, tensions between the Romans and the tribes threaten to complicate matters, and the Doctor must find a way to unite them in order to defeat the creature and save both worlds from destruction.

As they battle the Eater of Light, the Doctor is forced to confront his own mortality and the impact that his actions have had on those around him. The episode deals with themes of sacrifice, redemption, and the importance of working together to overcome seemingly insurmountable obstacles.

"The Eaters of Light" is a thrilling and emotional adventure that showcases the best of what Doctor Who has to offer. With stunning visuals and a gripping storyline, it is a standout episode in the show's long history. Fans of the series will not want to miss this exciting installment.