Season 4 poster
26 episodes

Star Trek: The Next Generation - Season 4

First aired Sep 24, 1990Season 4

As Riker tries to save the Enterprise and the Earth from a powerful alien race, Captain Picard's life hangs in the balance. The crew faces their own demons and must overcome their own obstacles to continue their mission. This leads Data to return to his creator to better understand emotions. Worf must accept his Klingon heritage and face his former family. A power struggle threatens the Federation as the Romulans try to make peace with their universe and the Klingons deal with a potential successor to their empire. Political relations are strained within the Enterprise as a rogue ship attacks former enemies of the Federation, ultimately leading up to a civil war where one member of the Enterprise must decide where his loyalty lies.

Episodes

The Best of Both Worlds (2) still

Episode 1

The Best of Both Worlds (2)

8.7
Sep 24, 199046 min69 votes

Stardate: 44001.4. 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.

Family still

Episode 2

Family

7.4
Oct 1, 199046 min58 votes

Stardate 44012.3. Picard meets with his older brother in France, and contemplates resigning his Starfleet commission after his ordeal with the Borg. Worf's adoptive parents spend time with their son on the Enterprise, and succeed in embarrassing him in front of his crewmates.

Brothers still

Episode 3

Brothers

7.0
Oct 8, 199046 min52 votes

Stardate: 44085.7 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. He learns that his creator has summoned him for an important meeting that could change his life. However, Dr. Soong unknowingly summoned Data's twin brother Lore, into the bargain.

Suddenly Human still

Episode 4

Suddenly Human

6.5
Oct 15, 199046 min50 votes

Stardate: 44143.7. A custody battle between Picard and a child's adoptive father arises when a boy showing evidence of abuse is discovered.

Remember Me still

Episode 5

Remember Me

7.7
Oct 22, 199046 min55 votes

Stardate: 44161.2. 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.

Legacy still

Episode 6

Legacy

6.3
Oct 29, 199046 min49 votes

Stardate: 44215.2. The Enterprise is caught in the middle of a civil war when they encounter Tasha Yar's long-lost younger sister, Ishara.

Reunion still

Episode 7

Reunion

7.7
Nov 5, 199046 min54 votes

Stardate: 44246.3. 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. Worf is disturbed by unexpected news when he is paid a visit by his former lover.

Future Imperfect still

Episode 8

Future Imperfect

7.4
Nov 12, 199046 min57 votes

Stardate: 44286.5. 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.

Final Mission still

Episode 9

Final Mission

6.4
Nov 19, 199046 min52 votes

Stardate: 44307.3. Wesley must keep Captain Picard alive on the eve of his entrance exam to Starfleet Academy when their shuttle crashes on a barren moon.

The Loss still

Episode 10

The Loss

5.8
Dec 31, 199046 min50 votes

Stardate: 44356.9. Troi loses her empathic abilities when the Enterprise is caught in the gravitational pull of a black hole.

Data's Day still

Episode 11

Data's Day

7.4
Jan 7, 199146 min58 votes

Stardate: 44356.9. A Vulcan Ambassador being escorted by the Enterprise starts exhibiting suspicious behavior. Miles O'Brien marries his fiancée, Keiko Ishikawa in Ten-Forward.

The Wounded still

Episode 12

The Wounded

7.9
Jan 28, 199146 min57 votes

Stardate: 44429.6. When the Cardassians start re-arming themselves, a Federation Captain takes it upon himself to remove a potential threat before it escalated. Now, Picard must fight for the Cardassians and stop the renegade from slaughtering innocents.

Devil's Due still

Episode 13

Devil's Due

6.9
Feb 4, 199146 min53 votes

Stardate: 44474.5. 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.

Clues still

Episode 14

Clues

7.8
Feb 11, 199146 min55 votes

Stardate: 44502.7. Picard orders a secret investigation when the crew suspects Data of lying about the discovery of a wormhole.

First Contact still

Episode 15

First Contact

7.8
Feb 18, 199146 min54 votes

Riker is abducted by a xenophobic race of aliens during a first contact mission. They believe the Enterprise is a scout for an invasion.

Galaxy's Child still

Episode 16

Galaxy's Child

6.6
Mar 11, 199146 min52 votes

Stardate: 44614.6. 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. Tensions rise when she learns that Geordi created a holographic version of her several months before in order to save the ship from danger.

Night Terrors still

Episode 17

Night Terrors

7.0
Mar 18, 199146 min49 votes

Stardate: 44631.2. 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.

Identity Crisis still

Episode 18

Identity Crisis

6.4
Mar 25, 199146 min51 votes

Stardate: 44664.5. 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.

The Nth Degree still

Episode 19

The Nth Degree

7.5
Apr 1, 199146 min51 votes

Stardate: 44704.2. 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.

Qpid still

Episode 20

Qpid

6.9
Apr 22, 199146 min53 votes

Stardate:44741.9. Q places Vash and the senior Enterprise crew in a recreation of Robin Hood and his merry men.

The Drumhead still

Episode 21

The Drumhead

8.0
Apr 29, 199146 min58 votes

Stardate: 44769.2. Picard is accused of treason when an explosion aboard the Enterprise is investigated by a ruthless and paranoid Starfleet Admiral.

Half a Life still

Episode 22

Half a Life

6.8
May 6, 199146 min52 votes

Stardate: 44805.3. 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.

The Host still

Episode 23

The Host

6.2
May 13, 199146 min49 votes

Startdate: 44821.3. Dr. Crusher falls in love with a Trill Ambassador, until she discovers the Trill's symbiotic relationship.

The Mind's Eye still

Episode 24

The Mind's Eye

7.3
May 27, 199146 min51 votes

Stardate: 44885.5. While en route to Risa for shore leave, Geordi is abducted by the Romulans and brainwashed into becoming an assassin.

In Theory still

Episode 25

In Theory

6.9
Jun 3, 199146 min49 votes

Stardate: 44932.3. Data experiences the complexities of love when a fellow crewmate becomes attracted to him.

Redemption (1) still

Episode 26

Redemption (1)

7.7
Jun 17, 199146 min52 votes

Stardate: 44995.3. Worf must choose between his people and the Federation when a civil war threatens to destroy the Klingon Empire.