S10E16 · Planet of the Daleks Part 2 graph

Codal taken in Spiridon ambush

Codal seizes the initiative to draw a Spiridon patrol away from his companions, only to be ambushed and captured by the invisible natives. The others remain unaware as their mission unravels, with the Daleks destroying their ship and taking the Doctor into custody. Codal’s sacrifice introduces the first definitive threat to the group, forcing them to confront the jungle planet’s hidden dangers while their fragile alliances begin to fracture under extreme pressure. The capture forces Taron to confront the cost of his caution and Vaber to acknowledge the toll of inaction, while the Doctor’s capture leaves the group leaderless and exposed in an escalating conflict.

Plot Beats

The narrative micro-steps within this event

1

Codal leads a Spiridon patrol away, gets captured, and is taken by the Spiridons.

calm to alarm ['Spiridon patrol']

Who Was There

Characters present in this moment

7

Resigned yet determined, accepting personal jeopardy to protect others

Codal acts decisively to draw danger away but is swiftly overwhelmed by the Spiridons, who bind him and render him unconscious. His capture triggers the first major fracture in the team’s cohesion and shifts alliances under pressure

Goals in this moment
  • Distract the Spiridon patrol to save his companions
  • Survive the ambush long enough to remain a living asset
Active beliefs
  • Leadership sometimes requires personal sacrifice
  • Trust in team loyalty justifies risk
Character traits
Sacrificial under pressure Selfless in luring danger away Resigned to fate when overwhelmed
Follow Codal's journey

Mechanically detached but committed to absolute obedience

The Executioner Dalek enforces Dalek directives with clinical ruthlessness, overseeing the destruction of the Thal spacecraft and the capture of the Doctor. Its presence crystallizes the operational priorities of the Dalek Enforcement Division

Goals in this moment
  • Destroy Thal spacecraft per orders
  • Capture any survivors for interrogation
Active beliefs
  • Existence of other species is subordinate to Dalek directives
  • Mercy is a tactical weakness
Character traits
Ruthlessly efficient Coldly procedural Extermination-oriented
Follow Executioner Dalek's journey
Taron Vex
primary

Anxiously alert, caught between maintaining control and reacting to unforeseen betrayals

Taron remains in the clearing with the Doctor and Vaber, directing evasive action as the threats escalate. He frantically warns about the approaching Spiridon patrol and later confronts the Dalek patrol’s discovery of the Thal spacecraft

Goals in this moment
  • Protect the remaining team members during the Spiridon ambush
  • Avoid detection by Dalek patrols while navigating the jungle
Active beliefs
  • Stealth is critical to survival
  • Premature action risks total annihilation
Character traits
Cautious under pressure Frustrated by unfolding chaos Adaptable to immediate threats
Follow Taron Vex's journey
Vaber
primary

Relieved yet restless with agitation, desperate to act but constrained by others’ hesitation

Vaber, now free from the tentacle plant, demands immediate offensive action while the Spiridon patrol closes in. His impatience clashes with Taron’s caution as the jungle’s predators strike

Goals in this moment
  • Confront the Daleks without delay
  • Denounce Taron’s leadership as ineffective
Active beliefs
  • Aggression secures outcomes
  • Caution enables only further suffering
Character traits
Impulsive under stress Vocal about frustration with leadership Confrontational about perceived weakness
Follow Vaber's journey

Focused and distressed, torn between immediate aid and the larger unfolding catastrophe

The Doctor responds to the unfolding crisis with urgency, first assisting Vaber with a severed tentacle and then later discovering Codal's discarded initiative. He is physically present throughout the attack and subsequent capture, witnessing the Daleks' destruction of the Thal ship and the Doctor's abduction.

Goals in this moment
  • Assess and neutralize immediate physical threats like the tentacle plant
  • Prevent the Daleks from harming innocent life inside the spacecraft
Active beliefs
  • Acting requires preserving life whenever possible
  • Danger must be confronted even at personal risk
Character traits
Protective toward allies Observant of environmental threats Decisive in moments of peril
Follow The Fourth …'s journey
Supporting 2

Weak and disoriented, caught between medical peril and sudden alien rescue

Jo is inside the spacecraft documenting her infection when she collapses outside. A Spiridon opens the hatch and rescues her, leaving her temporarily safe but isolated from the unfolding conflict until the Daleks take control

Goals in this moment
  • Record the progress of her parasitic infection
  • Survive long enough to rejoin allies
Active beliefs
  • Recording evidence preserves mission integrity
  • Survival matters more than immediate reunion
Character traits
Vulnerable due to infection Isolated from immediate action Saved by an unexpected ally
Follow Jo Grant's journey

Unwavering in its exterminatory paradigm

Though not physically present, the Supreme Dalek’s voice dictates the execution order through subordinate units. Its ideological inflexibility shapes the local enforcement actions

Goals in this moment
  • Eradicate resistance to Dalek occupation
  • Enforce supremacy over all species
Active beliefs
  • All non-Dalek species are inherently inferior
  • Extermination is the only rational solution
Character traits
Absolute ideological rigidity Indirect operational control Exterminatory certainty
Follow Supreme Dalek …'s journey

Objects Involved

Significant items in this scene

6
Ambush Vine (Plant Predator)

The Ambush Vine erupts from the ground to ensnare Codal as he flees into the bamboo, dragging him into the undergrowth. It acts as a proxy antagonist, embodying the planet’s hidden predators and executing the Spiridon patrol’s ambush strategy

Before: Dormant or undetected within the forest floor until …
After: Contracts around Codal, rendering him unconscious before retreating …
Before: Dormant or undetected within the forest floor until triggered by motion
After: Contracts around Codal, rendering him unconscious before retreating with its prey
Carnivorous Pitcher Plants of Spiridon

The Carnivorous Pitcher Plants react to invisible Spiridons, serving as both early warning systems and lethal defences. Their agitation alerts Taron to the approaching patrol, while their tendrils briefly menace Vaber before the Doctor intervenes

Before: Stationary but twitching near the clearing’s edge, reacting …
After: Retract their tendrils after the threat dissipates, leaving …
Before: Stationary but twitching near the clearing’s edge, reacting to unseen Spiridon movements
After: Retract their tendrils after the threat dissipates, leaving behind evidence of corrosive fluid
Thal Spacecraft

The Thal Spacecraft is marked for destruction by the Daleks after its discovery. Jo’s collapse and the Spiridon rescue inside it precede the Daleks’ arrival, but its burning wreckage becomes a symbol of the mission’s collapse and the Doctor’s helplessness

Before: Partially buried and concealed in the jungle, its …
After: Torched by Dalek energy weapons, consumed in flames …
Before: Partially buried and concealed in the jungle, its faint systems still humming
After: Torched by Dalek energy weapons, consumed in flames within seconds
The Doctor's Rescue Knife

The Doctor’s Rescue Knife is drawn to sever the carnivorous tentacle gripping Vaber. It becomes a tool of both rescue and demonstration: slicing through plant matter underlines the need for precision and preparedness

Before: Secured on the Doctor’s belt, unused since arrival
After: Cleaned of plant juices, still gripped tightly by …
Before: Secured on the Doctor’s belt, unused since arrival
After: Cleaned of plant juices, still gripped tightly by the Doctor during the escalating chaos
Vaber's Jungle Strike Explosives

Vaber presses for the use of Explosives as immediate firepower, escalating tensions in the group’s strategic debates. Though never detonated, their conceptual presence weighs on negotiations and aligns with Vaber’s demand for violent confrontation

Before: Packed among Thal gear, an unused option during …
After: Remain unarmed except by the Doctor’s logic and …
Before: Packed among Thal gear, an unused option during the scouting mission
After: Remain unarmed except by the Doctor’s logic and Taron’s reluctance
Sontaran Handheld Plasma Weapons Cache

Vaber’s Thals’ Jungle Conflict Weapons sit on his person or nearby gear as he argues for immediate attack. The weapons’ presence underlines the escalating tension between concealment and confrontation; though unused, they validate Vaber’s demands for aggressive action

Before: Carried by Vaber and other Thals as personal …
After: Remain holstered or secured as the Daleks close …
Before: Carried by Vaber and other Thals as personal arms during the jungle trek
After: Remain holstered or secured as the Daleks close in and the Doctor attempts to reason with them

Location Details

Places and their significance in this event

2
Spiridon Bamboo Thicket

The Bamboo Grove of Spiridon is both cover and trap: Codal dashes into its dense stalks to draw pursuit, but the tall, hollow culms offer ambush sites for the invisible Spiridon patrol. The grove’s claustrophobic corridors channel pursuit and exacerbate the team’s inability to coordinate effectively.

Atmosphere Thick with tension, alive with unseen movement and rustling fronds that betray no visible threat
Function Stage for ambush and one-sided pursuit
Symbolism Represents the deceptive nature of concealment—a place where safety is an illusion
Access Accessible to all but controlled by the invisible predators lurking within
Towering bamboo stalks reaching seven feet or higher Soft, squelching earth muffles footsteps yet conceals tendrils and vines
Spiridon Jungle Clearing (Execution Site)

The Jungle Main Tracks serve as the epicentre of coordinated action: threats converge—tentacle plants, Spiridon patrols, Dalek patrols—and allies scatter. It is a corridor of exposure where every rustle carries deadly weight, forcing characters into either evasive stillness or desperate flight.

Atmosphere Breathless with unseen danger, stalked by both flora and fauna that move silently and strike …
Function Pathway of convergence between natural and technological threats
Symbolism Embodies the collapse of safe passage and the failure of old strategies
Access Open to all species but lethal to the unwary
Packed earth paths slick with jungle mud Overhead canopy casting erratic sunlight and deep shadows

Organizations Involved

Institutional presence and influence

3
Thal Resistance Infiltration Group (Taron's Force)

The Thals of Spiridon scatter under threat, their cohesion shattered by invisible predators and Dalek firepower. Their internal division between caution and aggression surfaces as the mission collapses, and their spacecraft is destroyed, leaving them leaderless and exposed.

Representation Through individual survival instincts and vocal disagreements about strategy
Power Dynamics Weaker and divided against coordinated external forces
Impact Reveals internal fractures that make collective resistance unsustainable under pressure
Internal Dynamics Tension between Taron’s caution and Vaber’s aggression threatens group cohesion
Recover research on Spiridon’s invisibility systems Survive long enough to evacuate the planet Personal leadership and collective survival instincts Holdings of weapons and local knowledge of terrain
Spiridons

The Spiridons operate guerrilla ambush tactics through naturally coordinated predators. They capture Codal as a prisoner and avoid routine engagement, demonstrating their ability to manipulate the environment to their advantage. Their rescue of Jo highlights internal moral divergence within the species.

Representation Through invisible ambush tactics and coordinated plant-based proxies
Power Dynamics Locally superior in stealth and native terrain but tactically isolated
Impact Their strategic use of environment and invisibility amplifies the planet’s lethality
Internal Dynamics Potential factional split between neutral rescue behaviour and violent capture
Capture intruders without open conflict Protect specific members (e.g., rescuing Jo) while subduing others Biological proxies functioning as living traps Control over flora that signals intrusion
Dalek Occupation Force

The Dalek Enforcement Division (Tactical Branch) executes local pacification protocols with precision. They identify the Thal spacecraft, order its destruction, and capture the Doctor for interrogation. Their arrival marks the irreversible escalation of the conflict into direct confrontation.

Representation Through patrolling Executioner Daleks and communication protocols relaying destruction orders
Power Dynamics Dominant enforcer of occupation, operating with unrestricted authority
Impact Their victory demonstrates the futility of Thal resistance and accelerates the Dalek occupation
Internal Dynamics Rigid adherence to chain of command ensures rapid execution without dissent
Destroy potential resistance infrastructure (Thal spacecraft) Capture surviving humans for interrogation and elimination Overwhelming firepower and procedural compliance Centralized command enforcing extermination directives

Narrative Connections

How this event relates to others in the story

Within this episode

What this causes 1

"Codal's sacrifice in leading the Spiridon patrol away not only results in his capture but also leads to his imprisonment with the Doctor. This shared fate drives their strategic collaboration and mutual growth in courage. Had Codal not drawn the patrol away, he would not have been in the cell to work with the Doctor."

Doctor teaches bravery in shared captivity
S10E16 · Planet of the Daleks Part …

Across episodes

Threads arriving here 7

"The unseen entity stalking Jo in the TARDIS (in Episode 15) foreshadows the presence of Spiridon's invisible natives, culminating in Codal's capture by a Spiridon patrol during a distraction attempt in Episode 16."

Unseen entity stalks Jo in TARDIS
S10E15 · Planet of the Daleks Part …

"The Doctor’s rescue in Episode 1 (and his subsequent revelation of his history with Daleks) sets up Codal’s capture by the invisible Spiridon in Episode 2 as a direct consequence of the Dalek-Doctor-Thal confrontation. The mission’s deterioration is a direct result of escalating threats."

Doctor meets Thals amidst Spiridon's deadly fog
S10E15 · Planet of the Daleks Part …
Causal medium

"The Thals' decision to rescue the Doctor in Episode 15 leads to Codal's ambush and capture in Episode 16, as his actions during the rescue mission create the conditions for Spiridon's retaliation."

Thals commit to rescuing the Doctor
S10E15 · Planet of the Daleks Part …

"The Doctor’s observation of sabotage—the oxygen system remains active despite Spiridon’s breathable atmosphere (Part 1)—escalates in Part 2 when Codal is captured not by Daleks, but by invisible Spiridon, whose presence was hidden even from Dalek technology. The scope of threat expands from mechanical sabotage to entirely unseen biological intelligence."

Doctor revives and calls Jo urgently
S10E15 · Planet of the Daleks Part …

"The Doctor's role evolves from civilian advisor trying to evacuate a conference (Episode 4) to active combatant leading a guerrilla war against Daleks (Episode 16). In Episode 4, the Doctor uses words and evacuation orders; by Episode 16, he is physically assisting Vaber against tentacle plants and directing evasive action against Spiridon patrols. The Supreme Dalek Commander's response escalates accordingly—from a mere off-stage presence in Episode 4 to direct voice-commanding execution orders (via the Executioner Dalek) in Episode 16."

Doctor halts conference and orders evacuation
S9E4 · Day of the Daleks Part …

"The Doctor's successful escape from Dalek custody in Episode 4, achieved by converting a Dalek agent (the Controller) to his cause, foreshadows the Daleks' response in Episode 16: they now avoid giving any prisoner access to potential allies. Codal's sacrificial ambush occurs specifically because the Daleks have learned to isolate captives and prevent group escape. The Supreme Dalek Commander's unseen but controlling presence over the Spiridon ambush ensures no repeat of the Controller's defection."

Doctor escapes tunnel with Jo as Controller relents
S9E4 · Day of the Daleks Part …

"Taron treating the Doctor's fungal infection in Part 1 (with skepticism from Vaber) foreshadows Codal’s fatal infection from the Spiridon in Part 2—his headache and later compromise hint at the hidden biological dangers of the planet, which escalates into a capture plot."

Thals treat Doctor for fatal fungus infection
S10E15 · Planet of the Daleks Part …
Threads leading onward 6

"Codal's sacrificial act of drawing the Spiridon patrol away in Part 2 directly results in Marat's sacrifice in Part 3. Both acts involve drawing danger away from the group, escalating the peril faced by the Thal companions and emphasizing the consequences of bravery and sacrifice."

Marat holds the door as Daleks arrive
S10E17 · Planet of the Daleks Part …

"Codal’s capture in Episode 16 (his ambush by Spiridons) leads directly to his imprisonment with the Doctor, enabling their collaboration in testing the jamming device and executing their escape in Episode 17. His initial act of sacrifice becomes the catalyst for his partnership with the Doctor."

Doctor disables Dalek to break free
S10E17 · Planet of the Daleks Part …

"Codal’s decision to draw danger away during the Spiridon ambush in Episode 16 foreshadows his later act of heroism—pulling the Doctor to safety during the shaft escape in Episode 18—demonstrating his growth from a cautious observer to a decisive leader."

Thal allies pull Doctor to safety
S10E18 · Planet of the Daleks Part …

"Codal’s sacrifice in drawing away a Spiridon ambush (Part 2) emotionally echoes the perilous mission the Thals undertake in Part 3 (ice tunnel infiltration). Both actions are selfless risks taken to enable the group’s survival, reinforcing the theme of sacrifice and urgency."

Taron plans Thal infiltration through ice tunnels
S10E17 · Planet of the Daleks Part …

"Codal's sacrifice to draw danger away in Episode 16 escalates the stakes in Episode 17, where the Thals repeatedly face lethal traps like liquid ice and Dalek pursuit."

Daleks breach frozen barricade
S10E17 · Planet of the Daleks Part …

"Codal’s capture and the loss of the Doctor’s group in Episode 16 escalates to Jo witnessing the Daleks uncovering Thal sabotage in the control room in Episode 17, raising stakes."

Thals exposed in Dalek control room
S10E17 · Planet of the Daleks Part …

Part of Larger Arcs

Key Dialogue

"VABER: If I have to die, I want it to be for a better reason than providing nourishment for a flesh eating tentacle."
"CODAL: The eye-plants are moving."