Star Trek: The Next Generation – The Host [4.23]

Beverly Crusher falls in love with Odan, a Federation ambassador involved in crucial negotiations.  When he is injured, it is discovered that his race, the Trill, are a joined species – a symbiont living inside a host.  To keep the symbiont alive, he is temporarily placed inside Commander Riker

Star Trek: The Next Generation – Night Terrors [4.17]

The Enterprise investigates a Federation ship that had gone missing, in which the entire crew had killed each other and themselves in a fit of paranoia.  The Enterprise becomes trapped in the same rift that had trapped the other ship, and the Enterprise crew begins to exhibit similar problems, which Dr. Crusher deduces is caused by an inexplicable failure of the crew to be able to dream. 

Star Trek: The Next Generation – Data’s Day [4.11]

Data narrates the events of his day in a letter to Commander Maddox.  It includes preparations for Chief O’Brien’s wedding, and the arrival of a Vulcan ambassador who is on a mysterious mission involving the Romulans. 

Star Trek: The Next Generation – Final Mission [4.9]

Before Wesley finally joins Starfleet academy, he accompanies Picard on a shuttlecraft mission that goes awry, leaving them stranded on a desert planet. 

Star Trek: The Next Generation – Remember Me [4.5]

Beverly is concerned when her visiting friend, Dr. Quaice, disappears, leaving behind no record of his existence.  It gets worse when members of the Enterprise crew begin to disappear as well and nobody remembers them but her. 

Star Trek: The Next Generation – Family [4.2]

Recovering from his violation by the Borg, Picard takes a short vacation in his hometown in France for the first time in years, where he faces tension with his older brother Robert. 

Star Trek: The Next Generation – Evolution [3.1]

In the midst of a time sensitive scientific experiment, the Enterprise computer begins to malfunction, threatening the safety of the ship and crew.