Interpersonal Conflict
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The Devolution Virus

A mysterious virus spreads through the USS Enterprise, causing key crew members to devolve into primitive, primal versions of their species. Troi transforms into an emotionless amphibian, Worf succumbs to predatory Klingon instincts, and the crew must fight not only the physical mutations but the breakdown of command and safety on the ship.

6 events across 1 season

Involved Characters


Arc Timeline

Season 7

6 events
S7E19 · Genesis
Worf’s unraveling on the bridge

Worf’s frustration with the malfunctioning weapons array—now compounded by the synthetic T-cell’s de-evolutionary effects—escalates into uncharacteristic irritability and aggression. When Riker approaches to offer assistance, Worf snaps at him for …

Start
Worf’s feral behavior unsettles Troi

In Ten Forward, Worf’s unchecked aggression and primal eating habits—tearing into raw meat with Klingon ferocity—signal the accelerating de-evolution of the crew. His sudden, predatory gaze at Troi exposes the …

Start
Worf bites Troi in primal rage

In Troi’s steam-filled bathroom, Worf—overwhelmed by de-evolutionary instincts—invades her private space with predatory fixation. His primal urges strip away Klingon discipline, reducing him to a growling, territorial creature. When Troi …

Climax
Troi’s irreversible amphibian transformation

Picard and Data discover Counselor Troi submerged in her bathtub, her body fully transformed into an amphibian-like state. Her gills, golden slit-pupiled eyes, and eel-like skin confirm her irreversible de-evolution, …

Climax
Picard documents crisis resolution and Worf’s fragility

In the aftermath of the synthetic T-cell mutation crisis, Picard records a supplemental log in a Jefferies Tube, confirming Data’s success in reversing the de-evolution of the crew. His voice …

Resolution
Troi’s Humor Eases Barclay’s Guilt

In the aftermath of Barclay’s accidental role in triggering the de-evolution crisis, Beverly Crusher reveals that the newly discovered syndrome will be named after him—Barclay’s Proto-morphosis Syndrome. Barclay, still grappling …

Resolution