Air date: 1988-11-21

Runtime: 46 min

Stardate: 42073.1. Troi undergoes a mysterious pregnancy when the Enterprise tries to escape from a system that has recently fallen victim to a deadly plague.

Air date: 1988-11-28

Runtime: 46 min

Stardate: 42193.6. A mysterious life form known as the 'Nagilum' threatens the life of the crew in his attempt to understand humanity.

Air date: 1988-12-05

Runtime: 46 min

Stardate: 42286.3. Data and Geordi become involved with a holodeck program about Sherlock Holmes and his investigations, when they create Sherlock's arch nemesis, Moriarty; however, modifications to the Moriarty character include the capability of out-smarting Data, which leads to some unexpected consequences.

Air date: 1988-12-12

Runtime: 46 min

Stardate: 42402.7. The Enterprise is placed in a compromising situation when the captain of a disabled starship places the crew in the middle of a love triangle.

Air date: 1989-01-09

Runtime: 46 min

Stardate: 42477.2. A deaf-mute mediator meets with disaster while being escorted by the Enterprise.

Air date: 1989-01-23

Runtime: 46 min

Stardate: 42437.5. Data is possessed by the consciousness of a brilliant scientist. However, it has a disturbing impact on Data's personality.

Air date: 1989-01-30

Runtime: 45 min

Stardate: 42494.8. A mysterious hyper-ageing sickness kills the crew of a Federation cargo ship, and Dr. Pulaski must race against time to find a cure.

Air date: 1989-02-06

Runtime: 46 min

Commander Riker participates in an officer's exchange program which lands him an assignment on a Klingon Bird-of-Prey. Meanwhile, a Bezite ensign has trouble assimilating to the routines of the Enterprise.

Air date: 1989-02-13

Runtime: 46 min

Stardate: 42523.7. When Data's rights as a sentient individual are placed under trial, Starfleet forces Riker into a position where he must prove that Data is only an Android.

Air date: 1989-02-20

Runtime: 46 min

Stardate: 42568.8. Wesley falls in love with a passenger the Enterprise is escorting, who has the secret ability to shape-shift.

Air date: 1989-03-20

Runtime: 46 min

Stardate: 42609.1. A strange power source disables the Enterprise's computer systems, damages Data's programming and leaves the ship and crew vulnerable to a Romulan attack.

Air date: 1989-03-27

Runtime: 46 min

Stardate: 42625.4. An away team is trapped in an alien environment based around a novel entitled 'The Hotel Royale.'

Air date: 1989-04-03

Runtime: 46 min

Stardate: 42679.2. Picard encounters his double from six hours in the future, whose Enterprise had been destroyed.

Air date: 1989-04-24

Runtime: 46 min

Stardate: 42686.4. Riker is promoted to Captain of another Federation ship. Worf must confront his past and his Klingon heritage.

Air date: 1989-05-01

Runtime: 46 min

Stardate: 42695.3. Wesley must investigate the causes of strange tectonic activity on the planet where Data's pen pal lives.

Air date: 1989-05-08

Runtime: 46 min

Stardate: 42761.3. Q hurls the Enterprise into the Delta Quadrant and introduces the Federation to a powerful new enemy that may destroy the Alpha Quadrant: The Borg.

Air date: 1989-05-15

Runtime: 46 min

Stardate: 42779.1. A race known as the Pakleds kidnap Geordi La Forge. Picard must face surgery when he is left in a near-dead state.

Air date: 1989-05-22

Runtime: 46 min

Stardate: 42823.2. Picard must convince two dying civilizations that they must co-exist on the same planet to survive, however, they have other plans to ensure their survival: in the form of clones of the Enterprise crew.

Air date: 1989-06-19

Runtime: 46 min

Stardate: 42859.2. While being escorted to a Federation conference by the Enterprise, Lwaxana hunts for a man to satisfy her needs when her sex-drive is quadrupled during a natural mid-life cycle.

Air date: 1989-06-29

Runtime: 46 min

Stardate: 42901.3. Worf is re-united with his former lover, K'Ehleyr, while the Enterprise is ordered to intercept a Klingon ship whose crew has been in stasis for a century.

Air date: 1989-07-10

Runtime: 46 min

Stardate: 42923.4. Trouble begins when a Ferengi warship stumbles over a war simulation between Riker and Picard, each on different ships, and begins attacking them.

Air date: 1989-07-17

Runtime: 46 min

Stardate: 42976.1. Riker is infected with an alien organism that takes over his mind. Dr. Pulaski must force Riker's mind back to a state where it can access primitive survival skills.