Fabula
Season 4 · Episode 6
S4E6
Sobering
Written by Kit Pedler
View Graph

The Tenth Planet Part 2

When a new planet appears in Earth's solar system, the Doctor and his companions must stop the Cybermen from Mondas, who plan to drain Earth's energy to save their dying world, even if it means humanity's destruction.

As a new planet, Mondas, appears in Earth's solar system, an international space command struggles to maintain contact with its base at the South Pole amidst strange interferences. General Cutler and his team at Snowcap base find themselves facing a threat far greater than anticipated. The Doctor, along with his companions Ben and Polly, arrives, warning of impending danger from the new planet. Their warnings are initially dismissed as the team focuses on bringing back the Zeus 4 capsule.

The situation escalates when three Cybermen emerge at the South Pole base, revealing their origins from Mondas, a planet sapping Earth's energy. They unveil their plan to drain Earth's energy to save Mondas, intending to take humans back to their planet to convert them. The Cybermen, devoid of emotions and augmented with cybernetics, see humanity's survival as inconsequential. They are primarily interested in harvesting the planet's limitless energy reserves.

Despite the efforts to rescue the astronauts of Zeus 4, the Cybermen manipulate events, causing the ship's destruction. The Doctor, Polly, and Ben, along with a few remaining personnel, resist the Cybermen's control. Tensions escalate. General Cutler, despite his gruff exterior, is devastated to learn that his son is on a mission to help in the crisis.

Ben manages to briefly incapacitate a Cyberman, while Cutler ultimately destroys the Cybermen present in the base. However, the threat is far from over, as more Cybermen are expected to arrive. In the end, International Space Command prepares for an interplanetary war while grappling with the impending energy drain threatening all life on Earth. The episode concludes on a somber note, as the fate of Earth hangs in the balance and the world braces for a full scale invasion by the Cybermen.


Events in This Episode

The narrative beats that drive the story

33
Act 1

The episode opens with the Doctor's dire warnings about visitors from the newly appeared planet, Mondas, which General Cutler dismisses as nonsense. The immediate focus remains on the critical mission to guide the Zeus 4 capsule back to Earth, with Dr. Barclay overseeing the complex re-entry procedures from the Snowcap base. Simultaneously, International Space Command, led by Wigner, grapples with inexplicable and powerful interference disrupting communications with the South Pole base, where the Snowcap team is located. News reports confirm the existence and approach of Mondas, though assurances are given that there is "no cause for alarm." This period establishes the initial tension between the Doctor's foreboding knowledge and the military's pragmatic, Earth-centric concerns. The narrative quickly shifts as three Cybermen, having silently infiltrated the South Pole base, reveal themselves. Their sudden appearance, marked by the cold-blooded killing of a guard, shatters the illusion of security and introduces the true nature of the impending threat. The Cybermen's initial, emotionless pronouncements about the doomed Zeus 4 astronauts immediately underscore their alien and ruthless agenda, setting a chilling tone for the confrontation to come and marking the definitive arrival of the primary antagonists.

Act 2

Following their dramatic reveal, the Cybermen escalate their hostile takeover of the Snowcap base. They confirm their origin from Mondas, revealing it as Earth's long-lost twin, now returning to drain Earth's energy for its own survival. This revelation transforms the crisis from a mere technical malfunction or isolated incident into an existential threat. The Cybermen, devoid of emotions, articulate their plan to harvest Earth's energy until the planet dies, intending to convert surviving humans into Cybermen. Polly's attempts to appeal to their humanity are met with cold, logical indifference, highlighting the profound ideological chasm between the two species. The Cybermen assert their dominance by incapacitating General Cutler when he attempts to send an emergency signal and forcing Dr. Barclay to transmit a false "all clear" report to Geneva, effectively isolating the base. The climax of this act occurs with the deliberate destruction of the Zeus 4 capsule by the Cybermen, killing the astronauts and serving as a brutal demonstration of their power and unwavering commitment to their objective. Ben's subsequent attempt to resist is swiftly and effortlessly thwarted, reinforcing the Cybermen's superior strength and efficiency, leaving the Doctor, Polly, and the remaining personnel trapped and facing imminent destruction.

Act 3

The narrative shifts as Ben, imprisoned in the projection room, devises a clever plan to counter the Cybermen. Using the projector's light to blind a Cyberman, he incapacitates it with its own weapon, demonstrating human ingenuity against brute force. This act of defiance provides a crucial turning point, as Ben then passes the weapon to a recovering General Cutler. Cutler, seizing the opportunity, uses the Cyberman weapon to destroy the two remaining Cybermen in the Tracking Room, temporarily neutralizing the immediate threat within the base. The successful counter-attack allows Cutler to re-establish contact with International Space Command, where he reports the full extent of the invasion: the Cybermen's existence, their origin from Mondas, and their plan to drain Earth's energy. This report galvanizes Wigner and the global command, who immediately put military bases worldwide on alert, preparing for what they recognize as the "first interplanetary war." The personal stakes for Cutler dramatically increase when he learns his son has volunteered for a dangerous mission to assist in the crisis, adding a poignant layer of sacrifice to the impending global conflict. The episode concludes on a somber, urgent note, with Earth facing an imminent energy drain and the world bracing for a full-scale invasion by the Cybermen, leaving the fate of humanity hanging precariously in the balance.