Star Trek: The Next Generation – Lower Decks [7.15]

Four junior officers share life on board the Enterprise together, and from their vantage point outside the inner circle of the senior staff, learn bits and pieces about a top-secret mission related to the Cardassians.  One of the officers, the Bajoran Ensign Sito, is asked to undertake a dangerous undercover mission into Cardassian space. 

Star Trek: The Next Generation – The Chase [6.20]

Picard’s old archeology professor comes on board the Enterprise and invites Picard on a mysterious expedition.  Picard refuses, but changes his mind when his professor is attacked and killed for his information.  The Enterprise then embarks on a quest to discover a secret message that has been secretly encoded into the DNA of life forms from many different worlds. 

Star Trek: The Next Generation – Lessons [6.19]

Picard strikes up a friendship with the new head of Astrophysics, Lt. Commander Nella Daren, centered around a mutual love of music.  This friendship blossoms into romance. 

Star Trek: The Next Generation – Schisms [6.5]

Riker finds that he is unnaturally tired.  He also begins to have strange flashbacks to dreams, triggered by ordinary things on board the Enterprise.  He pools his knowledge with other who are having similar experiences, and eventually realizes that he is being regularly kidnapped and experimented on by creatures who live in sub-space.