S4E21
Tragic (with undercurrents of hope)
Written by Geoffrey Orme
View Graph

The Underwater Menace Part 3

The Doctor must thwart the mad Professor Zaroff's plan to raise Atlantis and destroy the world, by exposing his reliance on enslaved fish people and fomenting rebellion before Zaroff can initiate a devastating nuclear fission.

The Doctor, along with his companions Polly, Ben, and Jamie, finds himself embroiled in the machinations of Professor Zaroff in the underwater city of Atlantis. Zaroff, a delusional scientist, intends to raise Atlantis from the sea and unleash its power upon the world, believing it is his destiny to rule. His plans, however, rely heavily on the enslaved fish people who provide the city with its essential food supply.

Initially captured by Zaroff, the Doctor and his ally Ramo, a priest, face ritual sacrifice. However, a clever ruse orchestrated by Polly and Ben, who have discovered a secret passage, allows them to escape. Recognizing Zaroff's dependence on the fish people, the Doctor devises a plan to incite a revolt, aiming to disrupt the city's food supply and undermine Zaroff's control.

Meanwhile, Zaroff, suspicious of the "miracle" that saved the Doctor and Ramo, begins to doubt the loyalty of his followers, particularly the priest Lolem. As the Doctor's rebellion gains traction, Zaroff's grip on Atlantis weakens.

The Doctor, disguised to blend in, attempts to kidnap Zaroff, but the plan goes awry, leading to a chase through the marketplace. Eventually, they succeed in capturing Zaroff and imprisoning him in the secret chamber. Zaroff reveals that his nuclear reactor is activated and near completion, threatening a catastrophic explosion.

While the Doctor, Jamie, and Ben venture to the laboratory to disarm the reactor, Polly and Ramo are left to guard Zaroff. Zaroff, feigning illness and repentance, tricks Ramo and murders him. He then takes Polly hostage, attempting to use her as leverage.

Jamie rescues Polly near the tunnels, where Zaroff escapes after they run into the fish people, now mobilized by Sean and Jacko. Ramo, mortally wounded stumbles out and warns them that Zaroff has escaped. Polly and Jamie go to warn the Doctor of Zaroff's escape.

The Doctor and his companions realize the urgency of their situation, knowing that Zaroff's plan will proceed if they don't stop him. The fate of Atlantis, and potentially the world, hangs in the balance as they race against time to prevent the impending disaster.


Events in This Episode

The narrative beats that drive the story

27
Act 1

The episode opens with the Doctor and Ramo facing ritual sacrifice in the Temple of Amdo, condemned by Professor Zaroff. Zaroff dismisses the Doctor as insignificant, but the Doctor challenges Zaroff's reliance on brute force over scientific integrity. As the executioner prepares to strike, a voice, revealed to be Polly's through a hidden speaker system connected to the idol, emanates, creating a 'miracle' that causes the priests to bow their heads. This diversion allows the Doctor and Ramo to escape into a secret passage, which Ben and Polly discovered through the mines. They regroup in this hidden chamber, where the Doctor quickly deduces Zaroff's critical dependence on the enslaved fish people for Atlantis's essential food supply. He formulates a proactive plan to incite a rebellion among them, aiming to cut off the city's provisions and systematically undermine Zaroff's control. Simultaneously, Zaroff, informed of the miraculous disappearance by Lolem, dismisses the priest's account as a lie, discrediting Lolem's authority and ordering a city-wide search for the Doctor. Zaroff recognizes the Doctor as a significant and immediate threat to his megalomaniacal ambitions of raising Atlantis and destroying the world. This act establishes the immediate peril for the protagonists, provides a clever and unexpected escape, and pivots the narrative from defensive survival to an offensive strategy against Zaroff. The Doctor's strategic mind comes to the fore as he identifies Zaroff's critical vulnerability, setting the stage for the escalating conflict and demonstrating his capacity for leadership and tactical planning under pressure. The act concludes with the Doctor's team preparing their first move against Zaroff, while Zaroff mobilizes his forces to hunt them.

Act 2

Following their successful escape, the Doctor's team initiates their multi-pronged plan to destabilize Zaroff's regime by disrupting the critical food supply. Sean and Jacko, recruited for their persuasive abilities and Irish charm, depart to organize the enslaved fish people into a strike, targeting Atlantis's fundamental inability to store fresh seafood for more than a few hours. This strategic move aims to starve Zaroff's forces and create internal unrest. Concurrently, the Doctor, disguised as a gypsy musician, along with Polly, Ben, and Jamie, attempts a more direct approach: kidnapping Zaroff himself in the bustling marketplace. This initial attempt, however, devolves into a chaotic chase through the crowded market and labyrinthine passageways as Zaroff's guards pursue the Doctor. The Doctor, using his cunning and knowledge of the temple's layout, leads Zaroff directly into a trap within the Temple of Amdo. Ben and Jamie, cleverly disguised as Zaroff's own guards, apprehend Zaroff, and the team successfully imprisons him in the secret chamber hidden behind the idol. This act marks a significant turning point, as the protagonists move from being hunted to actively capturing their primary adversary, seemingly gaining a decisive upper hand. The successful incitement of the fish people's blockade, coupled with Zaroff's capture, establishes a period of strategic advantage for the Doctor's group, directly challenging Zaroff's authority and control over Atlantis and setting the stage for the next phase of their confrontation.

Scene 6
Doctor and Polly evade Zaroff’s guards in the market

The Doctor and Polly, disguised as fish people, survey the bustling market while exchanging lighthearted banter about their disguises, masking their tension with humor. The Doctor’s recorder and Polly’s seaweed …

Saltwater Fountain in the … 8 characters 13 connections
Nola conceals Polly from Zaroff’s guards

In the crowded fish market, Polly and Ara evade Zaroff’s guards by seeking refuge with Nola, a stallholder whose defiance of the regime becomes tangible when she swiftly conceals Polly …

Saltwater Fountain in the … 5 characters 13 connections
Doctor tests Jamie and Ben’s disguises

The Doctor, disguised as a sailor playing a recorder, tests Jamie and Ben’s loyalty and competence by feigning ignorance when they—also in disguise as Zaroff’s guards—ask about his whereabouts. Their …

Saltwater Fountain in the … 8 characters 13 connections
Zaroff’s Paranoid Hunt Exposes the Doctor

The Doctor and Polly evade Zaroff’s guards in the bustling fish market, where Polly is concealed by sympathetic locals while the Doctor maintains his disguise as a sailor. Jamie and …

Saltwater Fountain in the … 8 characters 13 connections
Doctor reveals himself to Zaroff

The Doctor, disguised as a sailor and playing a recorder, remains vigilant in the bustling marketplace while Polly—now dressed in Atlantean attire—hides from Zaroff’s guards with the help of stallholder …

Saltwater Fountain in the … 8 characters 13 connections
Act 3

With Zaroff now imprisoned, the narrative takes a dramatic turn as Zaroff reveals his nuclear reactor is activated and fission is imminent, threatening not only Atlantis but the entire world. This revelation escalates the stakes significantly, transforming the conflict from a power struggle into a race against global catastrophe. The Doctor, Ben, and Jamie immediately depart to infiltrate Zaroff's laboratory and disarm the reactor, understanding the urgency of the situation. Polly and Ramo remain behind to guard the captive Zaroff. However, Zaroff, feigning a sudden illness and repentance, manipulates Ramo's compassion. He then brutally murders Ramo, highlighting his ruthless nature and the depth of his deception. Zaroff subsequently takes Polly hostage, using her as leverage to facilitate his escape. Jamie, returning to check on Polly, intervenes in the tunnels, rescuing her from Zaroff. During the struggle, Sean and Jacko arrive with the mobilized fish people, inadvertently creating a diversion that allows Zaroff to escape, laughing maniacally as he flees. Ramo, mortally wounded, stumbles out to deliver a dying warning about Zaroff's escape. Polly and Jamie rush to warn the Doctor, leaving the protagonists in a desperate race against time to prevent Zaroff from completing his devastating plan, with the fate of Atlantis and the world hanging precariously in the balance.