Data and LaForge indulge in the holographic fantasy of the world of Sherlock Holmes -- only to discover that the villainous Moriarty has gained the ability to affect the Enterprise, and is holding Dr. Pulaski captive.
The crew comes to the aid of a disabled cargo ship, and welcomes its charismatic captain on board -- who begins to charm the crew. Data explores the concept of humor.
The Enterprise ferries a famous mediator to an alien peace summit, but the deaf Riva loses his ability to communicate when his "chorus" of telepaths are killed.
An exchange program makes Commander Riker the first Federation officer to serve on board a Klingon ship, while the Enterprise crew discovers a strain of bacteria eating away at the ship's hull.
A Federation scientist arrives on board with orders to take Data back with him for study. Picard petitions on Data's behalf, defending the android's right to make decisions for himself.
The Enterprise is assigned to ferry a young girl to her new home -- the planet she was bred to rule. The girl's overprotective guardian stands in the way when Wesley falls for the princess.
An advanced alien computer program causes the destruction of a Federation ship, and infects the Enterprise. Picard and crew investigate an ancient and extinct race, and must beat the Romulans in a race to their technology.
The Enterprise encounters one of its own shuttlecraft, containing Captain Picard from six hours in the future. The two Picards must avoid the Enterprise's destruction and prevent the loop from starting over.
Riker is offered his first captain's chair, and is reunited with his estranged father. Meanwhile, Worf's friends help him celebrate the tenth anniversary of his Age of Ascension.
Data begins to correspond with a young girl on a planet being investigated by the Enterprise, and learns that her world is in danger of self-destruction.
The powerful alien Q returns to challenge the crew's right to explore the universe, hurtling the ship thousands of light years away to a deadly encounter with the Borg.
Geordi comes to the aid of a damaged Pakled ship, and is taken hostage in an attempt to acquire Federation technology. Picard undergoes a dangerous surgical procedure to replace his artificial heart.
After rescuing an endangered civilization, the Enterprise finds a dying race that has survived through cloning. The crew refuses to donate DNA samples, but find that they have been cloned against their will.
The Enterprise takes on board a Klingon emissary, whose mission is to help them stop a crew of Klingons -- who do no know that peace has been made -- from attacking Federation outposts after awakening from cryogenic stasis. But Worf has personal history with the visitor.