S2E35
Gritty yet hopeful
Written by Terry Nation
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The Planet of Decision

The Doctor, Ian, Barbara, and Vicki land on Mechanus, a planet colonized by robots, where they encounter a stranded pilot, Steven, and must escape both the Mechanoids and the pursuing Daleks while facing a difficult decision about their travels.

The TARDIS arrives on Mechanus, a planet intended for human colonization but now inhabited only by Mechanoids, robots originally sent to prepare the world. The Doctor and his companions soon encounter Steven Taylor, a pilot who crashed on the planet two years prior and has been held captive by the Mechanoids. Steven warns them that the robots, while seemingly friendly, are programmed to detain any humans they find, holding them as specimens. He joins forces with the Doctor and his companions and then a plan is formed to escape their enclosure. Meanwhile, the Daleks, who have been relentlessly chasing the TARDIS through time and space, also arrive on Mechanus, seeking to eliminate the time travelers.

The group attempts to break free, navigating the Mechanoid city and eventually reaching the rooftop. They discover a thick cable that could potentially allow them to descend to the ground, but Vicki's fear of heights presents a challenge. As they prepare to lower Vicki, the Daleks attack, forcing a dangerous and chaotic escape. Steven retrieves his toy panda, Hi-Fi, but falls behind, leading to a confrontation between the Daleks and the Mechanoids inside of the dome city. The Doctor's device causes destruction, as he planned, and the city goes up in flames.

As the city burns, the Doctor, Ian, Barbara, and Vicki reunite in the jungle below, but Steven is missing. They are able to leave the planet because the Doctor has located and disabled the Daleks' time machine, but Steven appears, clutching Hi-Fi, his toy mascot, and joins the crew. However, Ian and Barbara, after years of traveling with the Doctor, express a deep longing to return home and resume their lives on Earth.

The Doctor is hurt by their decision, refusing to help them work the Dalek time machine to return to their correct time. Vicki pleads for the Doctor to help so he eventually relents. After a risky journey through time, guided by the Doctor, Ian and Barbara successfully arrive back in London. Though they overshoot their intended arrival year by two years, they are thrilled to be home. The Doctor and Vicki continue their adventures in the TARDIS, leaving Ian and Barbara to readjust to their lives in 1960s London, with all the memories of time and space travel.


Events in This Episode

The narrative beats that drive the story

27
Act 1

The TARDIS crew, comprising the Doctor, Ian, Barbara, and Vicki, arrive on Mechanus, a planet shrouded in mystery. Their journey begins in a lift, ascending into a vast, alien city dominated by advanced Mechanoids. The companions express awe at the scale and complexity of the robotic architecture. Upon entering a designated room, they encounter Steven Taylor, a human pilot who crashed on Mechanus two years prior. Steven, initially wary, confirms his Earth origins and quickly explains the true nature of their predicament: the Mechanoids, originally programmed to prepare the planet for human colonization, now detain any humans they find, treating them as specimens in a "zoo." This revelation shifts the group's understanding from curiosity to a stark realization of their captivity. Simultaneously, the Daleks, relentless in their pursuit, breach the cave system below the city. They declare their intent to invade Mechanus, destroy the humans, and eliminate any Mechanoid interference, setting the stage for a multi-front conflict. Steven, having spent two years as a prisoner, reveals he has constructed an escape route to the city's rooftop. This offers the first tangible hope for escape, prompting Ian to immediately investigate its viability. The act establishes the immediate threat from the Mechanoids, introduces a new companion, and escalates the danger with the imminent Dalek invasion, forcing the group to consider a perilous escape. The Doctor observes the Mechanoids' behavior, noting the absence of other life forms, which foreshadows Steven's explanation of their isolated existence. The companions quickly grasp the gravity of their situation, understanding they are not guests but captives.

Act 2

The group commits to Steven's escape plan, ascending to the Mechanoid city's rooftop. Ian discovers a thick power cable, recognizing its potential as a means of descent to the ground, despite the perilous fifteen-hundred-foot drop. The prospect of climbing down such a height immediately triggers Vicki's intense fear of heights, creating a significant obstacle. As they prepare to lower Vicki, the situation rapidly deteriorates. The Daleks, having successfully breached the city's lower levels, attack the room the group just vacated. The Doctor, anticipating the Dalek advance, activates a device designed to cause widespread destruction within the Mechanoid infrastructure. This act of sabotage ignites the city, creating a chaotic and fiery backdrop for their escape. Amidst the escalating inferno and the Daleks' assault, Steven, driven by sentiment, rushes back into the burning city to retrieve his beloved toy panda, Hi-Fi. This impulsive decision separates him from the group, leaving his fate uncertain. On the rooftop, the remaining companions struggle to secure Vicki for the descent, battling her terror and the encroaching flames. Below, the Daleks and Mechanoids engage in a fierce, destructive battle, amplifying the chaos. The Doctor's device proves effective, and the Mechanoid city becomes an inferno, collapsing around the warring factions. The act climaxes with the city's destruction and the group's perilous escape, leaving Steven behind in the conflagration. The escape is fraught with peril, forcing the characters to confront their fears and make difficult choices under extreme pressure.

Act 3

Following their chaotic escape, the Doctor, Ian, Barbara, and Vicki reunite in the jungle below the burning city. Steven remains missing, presumed lost in the inferno. However, their relief at survival is quickly compounded by the discovery of the Dalek time machine, which the Doctor has successfully disabled. Ian and Barbara, after their extensive travels through time and space, seize this opportunity. They express a profound longing to return to Earth and their former lives, a sentiment Barbara admits she never fully realized until this moment. Their desire to use the Dalek machine to go home creates immediate tension with the Doctor. He initially refuses, deeply hurt by their decision and citing the immense risks of manipulating such advanced technology. He views their request as reckless, even suicidal, and expresses his frustration over their initial, uninvited presence in the TARDIS. Vicki, however, intervenes, advocating for Ian and Barbara's right to choose their own destiny. She convinces the Doctor to relent, emphasizing their desire to return to their own time. Under the Doctor's precise guidance, Ian and Barbara embark on a risky journey in the Dalek time machine. Steven reappears, clutching his beloved Hi-Fi, and joins the Doctor and Vicki in the TARDIS, securing his place as a new companion. Ian and Barbara successfully arrive back in London, though they overshoot their intended year by two. Thrilled to be home, they immediately destroy the Dalek time machine, preventing its further use and ensuring the Doctor a "breather" from their pursuit. The act concludes with Ian and Barbara beginning their readjustment to 1960s London, reflecting on their extraordinary adventures, while the Doctor and Vicki continue their travels in the TARDIS, acknowledging the departure of their long-time companions.