Star Trek: The Next Generation

The crew's attempts to mediate a violent dispute between warring clans are sabotaged by a mysterious assassin. (S3, ep 9)

A Romulan defector leads the crew into a showdown that could erupt into a full-scale war. (S3, ep 10)

The Enterprise is bombarded by a soldier who is the victim of a government mind control experiment that turned him into a violent killer. (S3, ep 11)

Dr Crusher's abduction by a radical terrorist group thrusts the crew into an explosive civil war on Rutia Four. (S3, ep 12)

The crew is surprised by the appearance of their mischievous nemesis, Q. (S3, ep 13)

Riker is suspected of murdering a respected scientist who had accused the Enterprise officer of seducing his wife. (S3, ep 14)

The course of history is altered when a time rift brings a Starship Enterprise from the past into the present with a crew that includes Tasha Yar. (S3, ep 15)

Data becomes a father when he creates an android using a transfer of his own neural programming. (S3, ep 16)

When his long-lost brother appears on the Enterprise, Worf is thrust into a life-or-death battle for his family's honour. (S3, ep 17)

Captain Picard is secretly kidnapped and replaced by an evil imposter, leaving the crew bemused when he starts to exhibit strange behaviour. (S3, ep 18)