Star Trek: The Next Generation – The First Duty [5.19]

Wesley Crusher is becomes involved in a cover-up regarding the reasons for a fatal space fighter accident at Starfleet Academy. 

Star Trek: The Next Generation – A Matter of Time [5.9]

The Enterprise encounter Berlinghoff Rasmussen, a time traveler who claims to be from the future who claims, visiting out of historical interest.  Meanwhile, the crew attempt to save a world from an ecological disaster, and Picard even begins to wonder if the Rasmussen can help them know what to do because of his future knowledge. 

Star Trek: The Next Generation – Unnatural Selection [2.7]

The Enterprise discovers a vessel in which the entire crew has died of a strange disease that causes unnatural aging.  They trace the ship’s movements back to a facility where a genetics research lab is experiencing the same symptoms.  Dr. Pulaski catches the disease

Star Trek: The Next Generation – 11001001 [1.14]

While docked at a starbase for maintenance, Riker is astounded to meet an attractive and extremely realistic holodeck character called Minuet.  Meanwhile, the Enterprise crew are tricked into abandoning ship

Star Trek: The Next Generation – Code of Honor [1.3]

Lutan, the leader of a planet that has access to a critical vaccine, kidnaps Tasha Yar and claims her for his wife, leading his current wife Yareena to challenge her to a battle to the death. 

Star Trek: The Next Generation – The Naked Now [1.2]

The Enterprise crew become infected with a neurological condition which leads to diminished self-judgment, that has already led to the deaths of a scientific investigation crew.  Infected, Wesley Crusher takes over engineering