Doctor Who (1963)

S18E21 The Keeper of Traken (1)

On the tranquil planet of Traken, the inhabitants of the Traken Union thrive in harmony under the watchful eye of the kind-hearted Keeper. However, the Keeper's life is waning, and he feels an ominous darkness lurking within his realm. As he grapples with his impending fate, he seeks the Doctor's assistance to unravel the mystery surrounding the Melkur. Can the Doctor uncover the truth and protect Traken from the looming threat?