Societal Conflict
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The Tractator Collective's Psychic Threat

A sustained psychic assault on the Frontios Colony by the Tractator Collective, utilizing their Psychic Force to manipulate and terrorize colonists. The conflict involves multiple colonists, Norna, Gravis, and the Fifth Doctor as key figures resisting the collective's domination.

12 events across 1 season

Arc Timeline

Season 21

12 events
S21E10 · Frontios Part 4
Doctor confronts the Gravis in lair

The Doctor and Tegan enter the Tractator's lair where the Gravis immediately identifies them as valuable specimens, demonstrating his cold detachment. The Doctor introduces himself formally but with uncharacteristic hesitation, …

Start
Norna fights gripped Tractator on catwalk

Norna spots a Tractator ascending the catwalk and lunges, overpowering him briefly before being seized from behind and slammed against the wall. The Tractator’s grip crushes her throat and pins …

Start
Gravis details tyrannical plan in Operations Centre

The Doctor and Tegan confront the Gravis in the Tractators' Operations Centre, a cavernous chamber marked by a spiral design. The Gravis arrogantly reveals the facility’s true purpose as a …

Start
Norna reveals Plantagenet still lives

In the Research Room, Norna shatters Cockerill’s despairing assumption about the colony’s leadership vacuum by declaring Plantagenet remains alive. This revelation exposes a vital asset to the Frontios resistance, undermining …

Climax
Range announces Tractator victory

Range arrives in the research room just as Cockerill attempts to rouse his colonists into resistance against the Tractators. His interruption with the declaration that the invaders have already overwhelmed …

Resolution
Doctor abandons delay and orders Tegan to act

The Doctor and Tegan discuss the Tractators' gravity motor and the urgency of stopping their plan to control Frontios. When the Orderly is dragged away by a gravity beam, the …

Climax
Gravis distracted by TARDIS obsession

The Doctor lures the Gravis into the TARDIS with a false offer of surrender, knowing the Tractator leader’s pathological obsession will override tactical judgment. Once inside, the Gravis’s focus narrows …

Climax
Gravis imprisoned and Doctor departs

The Doctor ensures the Gravis is stranded on a lifeless planet while Plantagenet and Range reflect on humanity's isolation. In a private farewell, the Doctor gifts the colonists a modest …

Resolution