Season 4 Episodes

Episode Guide

Redemption, Part I

Season 4, Episode 26 - Air Date: 6/17/1991
Worf must choose between his people and the Federation when a civil war threatens to destroy the Klingon Empire.
Episode Guide

In Theory

Season 4, Episode 25 - Air Date: 6/3/1991
Data experiences the complexities of love when he becomes attracted to a fellow crewmate.
Episode Guide

The Mind's Eye

Season 4, Episode 24 - Air Date: 5/27/1991
While en route to Risa for shore leave, Geordi is abducted by the Romulans and brainwashed into becoming an assassin.
Episode Guide

The Host

Season 4, Episode 23 - Air Date: 5/13/1991
Dr. Crusher falls in love with a Trill Ambassador, until she discovers the Trill's symbiotic relationship.
Episode Guide

Half a Life

Season 4, Episode 22 - Air Date: 5/6/1991
Lwaxana Troi falls in love with a man who must return home to commit suicide, as is customary for their race when they reach a certain age.
Episode Guide

The Drumhead

Season 4, Episode 21 - Air Date: 4/29/1991
Picard is accused of treason when an explosion aboard the Enterprise is investigated by a ruthless and paranoid Starfleet Admiral.
Episode Guide


Season 4, Episode 20 - Air Date: 4/22/1991
Q places Vash and the senior Enterprise crew in a recreation of Robin Hood and his merry men.
Episode Guide

The Nth Degree

Season 4, Episode 19 - Air Date: 4/1/1991
An alien probe transforms Barclay from a shy, awkward character into an arrogant super-genius who is able to interface with the Enterprise's computer through the holodeck.
Episode Guide

Identity Crisis

Season 4, Episode 18 - Air Date: 3/25/1991
Geordi and a former crew mate begin evolving into bizarre creatures when they return to a planet both of them were on during an Away Mission five years earlier.
Episode Guide

Night Terrors

Season 4, Episode 17 - Air Date: 3/18/1991
Troi faces a recurring nightmare when the Enterprise is caught in a rift in space. Soon, the crew begins to slip into insanity through dream deprivation.
Episode Guide

Galaxy's Child

Season 4, Episode 16 - Air Date: 3/11/1991
Geordi must work with the real Leah Brahms when she arrives on the Enterprise when a space-borne alien life form thinks the ship is its mother.
Episode Guide

First Contact

Season 4, Episode 15 - Air Date: 2/18/1991
Riker is abducted by a xenophobic race of aliens during a first contact mission. They believe the Enterprise is a scout for an invasion.
Episode Guide


Season 4, Episode 14 - Air Date: 2/11/1991
Picard orders a secret investigation when the crew suspects Data of lying about the discovery of a wormhole.
Episode Guide

Devil's Due

Season 4, Episode 13 - Air Date: 2/4/1991
The crew of the Enterprise must defend the planet Ventax from a mythological Devil who re-appears when a 1000 year long era of peace comes to an end.
Episode Guide

The Wounded

Season 4, Episode 12 - Air Date: 1/28/1991
When the Cardassians start re-arming themselves, a Federation Captain takes it upon himself to remove a potential threat before it escalated.
Episode Guide

Data's Day

Season 4, Episode 11 - Air Date: 1/7/1991
A Vulcan Ambassador being escorted by the Enterprise starts exhibiting suspicious behavior. Miles O'Brien marries his fiancée, Keiko Ishikawa in Ten-Forward.
Episode Guide

The Loss

Season 4, Episode 10 - Air Date: 11/26/1990
Troi loses her empathic abilities when the Enterprise is caught in the gravitational pull of a black hole.
Episode Guide

Final Mission

Season 4, Episode 9 - Air Date: 11/19/1990
Wesley must keep Captain Picard alive on the eve of his entrance exam to Starfleet Academy when their shuttle crashes on a barren moon.
Episode Guide

Future Imperfect

Season 4, Episode 8 - Air Date: 11/12/1990
Riker awakens one morning to discover he is suddenly 16 years in the future as the captain of the Enterprise, and negotiating a peace treaty with the Romulans with no recollection of how he arrived at that point in time, or of any recent events.
Episode Guide


Season 4, Episode 7 - Air Date: 11/5/1990
Picard is asked to choose between two candidates to succeed the current Chancellor of the Klingon High Council as the new ruler of the Empire.
Episode Guide


Season 4, Episode 6 - Air Date: 10/29/1990
The Enterprise is caught in the middle of a civil war when they encounter Tahsa Yar's long-lost younger sister, Ishara.
Episode Guide

Remember Me

Season 4, Episode 5 - Air Date: 10/22/1990
Dr. Crusher begins to question her sanity when members of the crew start disappearing one by one, and all evidence of their existence is erased.
Episode Guide

Suddenly Human

Season 4, Episode 4 - Air Date: 10/15/1990
A custody battle between Picard and a child's adoptive father arises when a boy showing evidence of abuse is discovered.
Episode Guide


Season 4, Episode 3 - Air Date: 10/8/1990
While escorting a seriously ill boy to the closest Federation Starbase for treatment, Data mysteriously takes control of the Enterprise and takes it to a distant planet.
Episode Guide


Season 4, Episode 2 - Air Date: 10/1/1990
Picard meets with his older brother in France, and contemplates resigning his Starfleet commission after his ordeal with the Borg.
Episode Guide

The Best of Both Worlds, Part II

Season 4, Episode 1 - Air Date: 9/24/1990
Riker must pull out all the stops in order to save Earth from a Borg invasion being lead by none other than Locutus - otherwise known as Captain Jean-Luc Picard.