Captain Picard and crew follow Data back to the late 1800s to get him back, only to find the suspected alien visitors killing people of that time.

Overcoming his fear of transporter, Lt. Barclay joins an away team, only to find something in the beam with him.

As an ambassador mediates peace talks to end a fierce civil war, Deanna Troi begins to act erratically after spending some time with him.

The Enterprise discovers a ship that crashed on a Dyson sphere more than seventy-five years prior with a single survivor suspended in the transporter buffer: Captain Montgomery Scott.

Enterprise crew members report that they go to sleep but wake up exhausted; a mysterious subspace pocket forms inside a cargo bay.

When an honor student in the medical field is assigned to the Enterprise in an internship manner, she begins to demonstrate powers of the Q, prompting you-know-who to show up.

A shuttlecraft bringing Picard, Guinan, Ensign Ro and Keiko collides with an energy disturbance, necessitating an emergency rescue via transporter. But the energy field disrupts transport, and they arrive as children, though their minds are unaffected. Shortly after, renegade Ferengi take over the Enterprise and offload the adults.

After a computer malfunction, Worf, his son Alexander Rozhenko, and Counselor Deanna Troi are trapped in an Old West holodeck program wherein the interactive characters physically resemble and have the same enhanced abilities as Data.

Data discovers a group of robots that he believes qualify as lifeforms and fights for their preservation.

Picard, Worf, and Dr. Crusher are reassigned from the Enterprise to a secret mission. Meanwhile, the Enterprise is under the command of Captain Edward Jellico, who immediately starts making changes, much to the dismay of the crew.

Captain Picard's secret mission fails, leading to him being captured by Cardassians. As he is tortured by his captors, Captain Jellico and the Enterprise attempt to prevent war with the Cardassian Union.

Professor Moriarty returns, only this time he gains control of the Enterprise in his quest to leave the holodeck.

Geordi La Forge falls in love with a woman accused of murder in an isolated communication relay station. The Enterprise crew investigates the crime; the only other suspect is a Klingon officer who frequently visited the station.

Troi is captured and forced to masquerade as a Romulan intelligence officer in a plot to aid the defection of several high-ranking Romulan officials.

When Captain Picard's artificial heart fails, he is offered the rare opportunity to go back in time and set right the mistake that led to his demise.

While visiting Deep Space 9, a Yridian tells Worf his father lives, and a discharge from an alien device puts Data in a dream state where he meets his own father.

In seeking his father, Worf discovers a prisoner-of-war camp that has evolved into a Klingon/Romulan haven - an Eden where Worf becomes their serpent.

On an evacuated USS Enterprise-D, Picard plays a deadly game of cat-and-mouse with terrorists who want to steal explosive toxic waste from the warp core as a lethal beam sweeps the ship.

Picard falls for the new head of the stellar science services department, but has feelings of misgivings when he's forced to assign her to a dangerous mission.

The crew of the Enterprise must race against various rival powers to uncover an archaeological secret that explains the predominance of humanoid life forms in the galaxy.

Riker begins to question reality when he finds himself in an alien insane asylum and faces the prospect his life on the Enterprise has been a delusion.

Dr. Crusher puts her career on the line to prove a scientist's theoretical new shielding technology which may have cost him his life.

During Worf's crisis of faith on Boreth, Kahless the Unforgettable makes his promised legendary return, but Klingon leader Gowron challenges his authenticity.

Riker's exact duplicate is discovered on Nervala IV. His first order of business: resume his relationship with Deanna.

Aboard a runabout, Picard, Data, La Forge, and Troi encounter time distortions; they also discover the Enterprise, frozen in time while in battle with a Romulan warbird and seconds away from destruction.

The Borg begin a new offensive against the Federation, but this time they're acting as individuals; Data experiences his first emotions while fighting them, joy at killing them.