- Planet

Alter Ego

The crew begins an analysis of an unusual phenomenon called an inversion nebula which might provide fresh insight into the nature of plasma reactions. Harry falls in love with a holodeck character and when Tuvok attempts to help him use Vulcan mind-control techniques to overcome his infatuation with a computer-generated subroutine, the crew discovers that the object of Harry's desires is actually an alien life form which has used the holodeck to interact with the crew. But Tuvok's attempts to help set off a cascade of jealousy which endanger the entire ship.

Voyager, seizoen 3