With the Mystery Machine stuck in mud, Mystery Inc. ends up becoming housekeepers for the Addams Family while Gomez and Morticia go on vacation. A giant vulture like super villain the Addams house and Wednesday goes missing.
Collision with a quantum filament leaves Troi in charge of a damaged and endangered Enterprise with emergency bulkheads cutting off sections of the ship.
Strange images begin appearing throughout the ship's decks and holodecks. Data and the rest of the crew begin to investigate only to discover that the ship's computer itself is exhibiting the strange behavior as it begins to become self-aware.
The Crystalline Entity returns, and the Enterprise takes aboard a scientist to help track it down, but her personal agenda does not match Capt. Picard's.
Puritan Charity Payne in the year 1700 and modern teenager Peter Wood, residents of the same Massachusetts town, are psychically connected due to delirium induced by a bacterial infection, and can see the world through each other's eyes.
A joy ride is disrupted by the car's dead owner. At the onset of a nuclear war, Harry Dobbs and Nick Gatlin race to a fallout shelter and soon face cabin fever. A mishap turns airline flier Keith Barnes' radio into a mind-reading device.
The death of a Marine recruiter ultimately leads Horatio to open an investigation into the death of a soldier in Iraq. The soldier's brother claims responsibility, but Horatio suspects a cover-up.
When a father, mother and daughter are found stabbed to death in their home, the surviving son is found cowering in the attic, high and claiming innocence.
Jack and the survivors wait for Charlie to turn off The Others' signal-jamming device, not knowing that he has been captured at the Looking Glass station.
