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

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.

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.

Stardate: 43539.1. A Calamarian starts attacking the Enterprise while seeking revenge on a powerless Q.

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.

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.

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.