Societal Conflict
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UNIT's Defense Against Alien and Human Threats

UNIT, led by Brigadier Lethbridge-Stewart, coordinates Earth's defense against various alien invasions, human conspiracies, and rogue scientific experiments, often with the technical and tactical assistance of the Fourth Doctor.

41 events across 1 season

Arc Timeline

Season 11

41 events
S11E5 · Invasion of the Dinosaurs Part 1
Brigadier coordinates emergency response

The Brigadier struggles to maintain control as London collapses into violent disorder. Through exhausted phone calls, he updates superiors on mounting dinosaur sightings and calls for reinforcements, though forces remain …

Start
UNIT scrambles for control as looting spreads

The Brigadier juggles conflicting demands while Yates reports increasingly organised looter gangs in Hyde Park, forcing the Brigadier to expand detention facilities across London. A fraught phone call with General …

Climax
Doctor and Sarah commandeer Land Rover under dinosaur attack

The Doctor and Sarah investigate unusual activity in a deserted garage when they encounter armed men concealing illegal cargo. Their discovery prompts a ruthless ambush that leaves the Doctor stunned …

Start
Soldiers detain Doctor and Sarah on suspicion

In a near-empty London warehouse overrun by military patrols, Corporal Norton and his soldiers intercept the Doctor and Sarah as they arrive in a Land Rover. Despite their immediate protests …

Start
The detainees test their jailers

Lodge

Climax
Cornered by gunfire in the detention block

Norton herds the Doctor and Sarah into a corner of the detention block, positioning himself with his weapon drawn as they await transport. Their earlier hopes for parole dissolve into …

Resolution
Shears imprisons Doctor and Sarah unjustly

Officer Shears exercises absolute military authority in a detention centre, dismissing the Doctor's claims of UNIT affiliation and Sarah's protest of innocence. He summarily sentences all three to indefinite detention …

Start
Doctor's staged fight unleashes chaos

Lodge seizes on the Doctor and Sarah’s desperate whispers to propose an escape through violence, but the Doctor quickly realizes the prisoner’s ulterior motives. They stage a fight to create …

Climax
Cornered fugitives stage desperate diversion

The Doctor and Sarah face indefinite detention after Shears summarily convicts them of looting under emergency powers. Lodged in a detention center with no authority recognizing their UNIT credentials, the …

Climax
S11E6 · Invasion of the Dinosaurs Part 2
Doctor confronts Brigadier in hiding

The Doctor and Sarah take refuge in a workshop as soldiers pursue them, only for the Brigadier to arrive unexpectedly. This tense encounter forces the Doctor to abandon his attempts …

Resolution
Brigadier reveals dinosaur invasion crisis

Under pressure from the Brigadier, the Doctor and Sarah enter a UNIT command center mapping an unprecedented threat—prehistoric creatures materializing across central London. The Brigadier reports eight million evacuations, unexplained …

Start
Military skepticism halts dinosaur investigation

General Finch's aggressive skepticism derails the investigation into the missing Stegosaurus and challenges the Doctor's credibility. When the Brigadier admits he cannot explain the creature's disappearance, Finch dismisses the event …

Climax
Power output debate forces schedule decision

Butler reports stable power output for the time transference device, pressing for adherence to the rigid schedule despite Whitaker’s insistence on postponement due to the escalating dinosaur disruptions. Whitaker, already …

Start
Military aide delivers urgent UNIT message

Whitaker is abruptly notified of an emergency visit from a UNIT envoy by Butler, who stresses the envoy's insistence on seeing him despite standing orders. Yates enters to warn Whitaker …

Climax
Whitaker and Butler demand Yates sabotage the Doctor

Whitaker and Butler are forced into a defensive stance as the Doctor’s interference threatens their secret operation to depopulate London. When Yates reveals admiration for the Doctor’s scientific prowess, Whitaker’s …

Climax
Doctor exposes weaponized dinosaurs theory

The Doctor seizes on the stun gun’s completion to push theory into accusation, declaring prehistoric creatures are a deliberate weapon to depopulate London for an unseen project. Grover presses for …

Climax
Whitaker equips Yates with sabotage device

In a quiet corner of the control room, Whitaker clandestinely hands Captain Yates a small disc with the explicit instruction to disable the Doctor’s stun gun. The device attaches directly …

Resolution
S11E7 · Invasion of the Dinosaurs Part 3
Yates conspires in sabotage plot

Yates confronts Butler and Whitaker after their failed attempt to kill the Doctor by bringing a T-Rex into the present. From their exchange, Yates learns he has been unwittingly complicit …

Start
Whitaker’s plan revealed to Yates

Yates confronts Butler and Whitaker in the control room, realizing the full extent of their plan after the T-Rex attack. The rogue scientists admit to weaponizing temporal energy to pull …

Climax
Sarah and Benton defy orders to chase generator

Sarah refuses to accept the Brigadier's dismissal of her near-fatal sabotaging and the Doctor's vague reassurances, instead zeroing in on the power source itself. Though Brigadier Yates insists no unaccounted …

Resolution
Sarah confronts Grover in his office

Sarah takes a calculated risk by approaching the suspected conspirator Minister Grover directly, exploiting their earlier brief encounter to gain access to his confidential files. Her theory about a secret …

Start
Grover traps Sarah in the secret bunker

Grover guides Sarah into a hidden filing room beneath his office, feigning helpfulness while secretly leading her to a concealed bunker entrance. He exploits her trust to expose a classified …

Resolution
Sarah trapped as Grover yields to madness

Sarah’s defiance fractures Grover’s facade of bureaucratic control, exposing his unraveling sanity. Finding no response in her rebellion, he retreats behind locked doors and a cryptic promise of enlightenment. The …

Climax
S11E8 · Invasion of the Dinosaurs Part 4
Finch confronts UNIT over disasters

Finch storms into the makeshift lab with Yates, blistering the Brigadier over a cascade of disasters—a lost dinosaur, a wrecked hangar, and Sarah Smith’s near-death. The Doctor counters by accusing …

Start
Doctor reveals conspiracy plan to Brigadier

General Finch confronts the Brigadier over escalating time-travel disasters while Yates listens in silence. The Doctor seizes control of the narrative, accusing deliberate sabotage and detailing tampered equipment and a …

Climax
Yates admits sabotage denies murder

General Finch and Captain Yates enter the makeshift laboratory during the Doctor's investigation. The Doctor accuses Finch directly of active sabotage against his equipment and experiments, revealing chains had been …

Climax
Doctor unlocks hidden time station

The Doctor pursues a faint time eddy signal to an abandoned London Underground station, his device climbing to a maximum reading as he recognizes an active temporal anomaly. Disregarding security …

Start
Doctor flees pterodactyl in subway tunnel

The Doctor investigates a derelict Underground Station only to confront a temporal anomaly in the form of a predatory pterodactyl. Equipment abandoned, he battles the creature with improvised tools—a torch …

Climax
Doctor presses Grover for Sarah's fate

In Grover’s dimly lit office the Doctor presses the Minister directly on Sarah’s disappearance, citing evidence from the underground station. Grover responds with evasiveness and a carefully rehearsed file story …

Resolution
Doctor answers mysterious phone call

The Doctor and Brigadier debate the lack of evidence for the conspiracy before Benton arrives with a cryptic call directed only at the Doctor. After Benton leaves, the Doctor takes …

Resolution
S11E10 · Invasion of the Dinosaurs Part 6
Choosing war over negotiations

The Doctor and Brigadier uncover Grover’s central role in the time-reset conspiracy through Sarah’s intercepted intelligence, realizing General Finch is also complicit. Tensions escalate when Captain Yates betrays UNIT to …

Start
Yates’s treachery and capture at HQ

Captain Yates betrays UNIT by seizing control of the temporary HQ with his pistol, holding the Brigadier, Benton, and the Doctor at gunpoint. Under duress, he reveals the conspirators’ plan …

Climax
Doctor accelerates plan against time reset

Under imminent threat, the Doctor and Brigadier Lethbridge-Stewart abandon caution and push forward with a risky counterplan, knowing that delaying for reinforcements will mean total annihilation. Benton's explosives and rope …

Start
Stegosaurus blocks UNIT’s path to Moorgate

The Doctor and Brigadier Lethbridge-Stewart arrive outside Moorgate Station to intercept Finch and Grover’s temporal reset but find their path blocked by a prehistoric stegosaurus. Realizing the creature is unharmed …

Climax
Benton establishes Trap Two contact

Sergeant Benton initiates contact via the secret Trap Two channel, signaling the first serious counterplay against Finch and Grover’s time-reset gambit. This clandestine communication breaks the momentary lull after the …

Resolution
Doctor disables Grover's enforcer

With Ruth finally witnessing the airlock’s safety through Sarah’s live demonstration, the Doctor uses the distraction to slip into the ship’s bunker. He ambushes Butler, Grover’s brutal enforcer, and neutralizes …

Resolution