While preparing to transport a deadly plague to a research lab, the crew is stunned by the announcement of Counsellor Troi's pregnancy. Her child develops at an incredible rate, growing in a day the amount a human child would grow in a year.

The crew is held hostage in a mysterious void by a being who wishes to observe the many ways in which humans die.

In frustration at the ease with which Data solves apparently complex Sherlock Holmes mysteries, Geordi programs the Enterprise computer to create a worthy advisory for Data. The result is a self-aware hologram (Professor Moriarty) who takes control of the ship and threatens Dr. Pulaski's life (and, also, far more seriously, offers to fill her with hot crumpets!).

While the Enterprise crew play host to a witty renegade captain, Data struggles to acquire a sense of humour. They are then confronted by two alien ships who both demand custody of Captain Okona for grievous crimes - but is he really a criminal?

The future of a warring planet depends on a deaf mediator, who suddenly loses his ability to communicate when his ``Chorus'' of interpreters are murdered by a member of one of the factions. Counsellor Troi tries to pursued him to continue the negotiations despite their deaths.

A brilliant but terminally ill scientist seeks eternal life by transferring his mind into Data's body. The crew are alarmed at the sharp change in Data's character as the scientist's personality takes over.

The crew grapples with a mysterious disease which accelerates the ageing process, causing humans to die of old age within a matter of days. When Dr Pulaski becomes exposed, the race is on to find a cure, and the genetically engineered ``children'' at a research centre seem to hold the answer.

Commander Riker's loyalties are put to the test when he is assigned to a Klingon vessel which plans to attack the Enterprise. In the meantime, a visiting alien fails to report a serious problem because his culture expects him also to provide a solution, and he does not yet have one.

When Data refuses to be disassembled for research purposes, Picard is enlisted to defend his rights as a sentient being in court while Riker reluctantly takes on the role of advocate.

Wesley finds romance with the beautiful young ruler of Daled Four whose secret power could destroy the Enterprise and her crew.

When the Enterprise's sister ship, the USS Yamamto explodes, the Enterprise retraces its last mission, an investigation of a long dead civilisation. Soon the Enterprise's computer system falls prey to a mysterious electronic "virus" which programs the ship to self destruct.

Investigating the discovery of a piece of metal bearing a NASA insignia, the Away Team finds itself trapped in the world of ``The Hotel Royale'', a novel come to life.

The U.S.S. Enterprise discovers a Federation shuttle containing an exact double of Captain Picard from six hours in the future. But why had the other Captain Picard left the Enterprise - what fate awaits them?

Will Riker's long-lost father reappears on the eve of his departure to become captain on a new starship while Wesley tries to cheer up Worf who is missing an important Klingon anniversary ritual.

Data breaks the Prime Directive in a race against time to save the life of a little alien girl on a planet doomed to destruction.

The Enterprise is hurled a great distance by the malevolent ``Q'', who sets them up for destruction by a race of half-human, half-robot aliens known as the Borg. Can the Enterprise escape, and get back to Federation space?

While Picard fights for his life in surgery, Geordi is held hostage by the leaders of an alien race who acquire technology by theft, deceit and blackmail.

The crew's rescue of a missing earth colony leads to the discovery of a civilisation composed entirely of clones. The clones attempt to steal new DNA patterns from the Enterprise crew because their own patterns are degenerating each time the cloning process takes place.

In her search for the perfect mate, Counsellor Troi's mother Lwaxana beams aboard the Enterprise and sets her sights on Captain Picard. He attempts to hide in the holodeck world of Dixon Hill, but Lwaxana tracks him down.

An official mission becomes a personal matter when Worf's former lover, K'Ehleyr, sent to the Enterprise to help deal with a Klingon vessel that is just returning from an 80-year long secret mission and know nothing of the peace treaty now in place with the Federation.

A simulated war game between Picard (on the Enterprise) and Riker (commanding an ancient derelict starship) turns deadly when the crew is ambushed by a Ferengi battleship. With the Enterprise crippled in the attack, Picard must try to get Riker, Geordi and the others back on board.

Riker is struck down by a deadly microbe which invades his central nervous system and attacks his brain. (much of this episode is composed of clips from previous stories).