September 25, 1989 9:00 pm
Stardate: 43125.8 A system-wide computer malfunction places the crew of the U.S.S. Enterprise in grave danger while they are escorting a scientist to a star in the process of exploding.
October 2, 1989 9:00 pm
Stardate: 43133.3 A human colony is forced to evacuate a planet when the original inhabitants return and threaten the colonists with annihilation if they do not leave within four days.
October 9, 1989 9:00 pm
Stardate: 43152.4 The Enterprise discovers a planet that has had all life eradicated, except for two mysterious residents and their home, which has been left in perfect condition.
October 16, 1989 9:00 pm
Stardate: 43173.5 An away team inadvertently breaks the Prime Directive and reveal themselves to a primitive culture on Mintaka III, causing the inhabitants believe that Captain Picard is a God.
October 23, 1989 9:00 pm
Worf and Wesley must help a 12 year old boy cope with the death of his mother; an archaeologist killed during an away mission to a deserted planet.
October 30, 1989 9:00 pm
Stardate: 43205.6 While investigating an ancient ship left adrift in space, the Enterprise accidentally trips the ancient booby trap that disabled the old vessel over 1000 years ago.
November 6, 1989 9:00 pm
Stardate:43349.2 A blind Geordie is trapped on a hazardous planet with a paranoid and severely injured Romulan. In orbit, a Romulan Warbird is preventing the Enterprise from attempting a rescue mission.
November 13, 1989 9:00 pm
Stardate: 43385.6 The Enterprise hosts the negotiations for the rights to a newly discovered, stable wormhole to the Delta Quadrant. One of the negotiators, Devinoni Ral, becomes attracted to Deanna Troi, but he holds a dubious secret.
November 20, 1989 9:00 pm
Stardate: 43421.9 The Enterprise crew tries to mend the relationship between a race known as the Acamarians and a faction known as the Gatherers.
January 1, 1990 9:00 pm
Stardate: 43462.5 A defecting Romulan warns the Federation about an impending attack by the Romulans, who are secretly establishing bases within the Neutral Zone.
January 8, 1990 9:00 pm
Stardate: 43489.2 A potentially new member of the Federation enlists the help of the Enterprise to track down a wanted criminal who has a reputation for his excessive violence. However, the fugitive's actions may not be of his own will.
January 29, 1990 9:00 pm
Stardate: 43510.7 Dr. Crusher is abducted by a group of terrorists while delivering crucial medical supplies to a planet ravaged by civil war.
February 5, 1990 9:00 pm
Stardate: 43539.1 A Calamarian starts attacking the Enterprise while seeking revenge on a powerless Q.
February 12, 1990 9:00 pm
Stardate: 43610.4 Riker is accused of murder when a scientist is killed in an explosion. Picard must recreate the recent events in the holodeck to prove his commander's innocence.
February 19, 1990 9:00 pm
Stardate: 43625.2 A rift in the space/time continuum brings the U.S.S. Enterprise - C forward into the 24th Century, and alters the timeline. In this future, the Federation is at war with the Klingons, Tasha Yar is on the bridge, Worf did not join the Federation, and only Guinan's unique perception of reality may restore the timeline.
March 12, 1990 9:00 pm
Stardate: 43657.0 Data becomes a father when he creates a Soong-type android in the form of a daughter named Lal. Issues are complicated when Lal starts showing signs of a more evolved consciousness, including the ability to feel emotions, which attracts the attention of Starfleet scientists who want to take her away from Data and examine her advanced systems.
March 19, 1990 9:00 pm
Stardate: 43685.2 Worf is reunited with his long-lost brother when their father is charged with treason for helping the Romulans. Together they make an appeal to the Klingon High Council to challenge the charges, and have them revoked.
March 26, 1990 9:00 pm
Stardate: 43714.1 Picard is secretly abducted and switched with an alien double. The crews' suspicions are raised when he starts exhibiting unusual behaviour, and is relieved of command.
April 2, 1990 9:00 pm
Stardate: 43745.2 While on vacation on Risa, Captain Picard encounters two Vorgons from the 27th Century who claim they are searching for a powerful weapon hidden somewhere on the planet.
April 23, 1990 9:00 pm
Stardate: 43779.3 The Enterprise encounters a 'living' ship in the Neutral Zone, and risks breaking the Romulan Federation alliance in order to bring it into contact with a Betazoid emissary.
April 30, 1990 9:00 pm
Stardate: 43807.4 A nervous and insecure officer, Lt. Reginald Barclay, places the Enterprise in great danger when he neglects his duties in Engineering, and instead spends his time acting out his fantasies on the holodeck.
May 7, 1990 9:00 pm
Stardate: 43872.2 The crew are shattered by the apparent death of Data in a shuttle explosion, and are prevented from carrying out a detailed investigation when Starfleet gives them orders for a new mission elsewhere. However, the crew don't realize that he was actually abducted and placed on display as part of a collection of rare and valuable items held by a disreputable character.
May 14, 1990 9:00 pm
Stardate: 43917.4 Spock's Vulcan father, Sarek, boards the Enterprise to negotiate political relations with the Legaran. However, Sarek has contract Bendii syndrome, which causes a Vulcan to gradually lose control, and become overpowered with emotions.
May 28, 1990 9:00 pm
Riker and Deanna, both on shoreleave, are unexpectedly joined by Deanna's mother, Lwaxana, on Betazed. Shortly, all three are kidnapped by the Ferengi who want to study Lwaxana's telepathic abilities.
June 4, 1990 9:00 pm
Stardate: 43957.2 Dr. Crusher becomes attracted to an injured alien with mysterious powers, who is being tracked down by his government like a wanted criminal.
June 18, 1990 9:00 pm
Stardate: 43989.1 An Starfleet expert on the Borg, Lt. Cmdr. Shelby, is assigned to the Enterprise to investigate the disappearance of a Federation colony. Picard is abducted by the Borg and assimilated into the Collective, which forces Riker to attempt a rescue mission.