Commander Riker fights for his life in sickbay after he is infected by an alien parasite while on an away-mission. Dr. Pulaski soon discovers that the only way to save Riker’s life is to force his mind to relive painful memories.

Troi sensed the presence of a machine for saving on production costs. A plot-saving device.
First Broadcast: 17th July 1989.
Quote: “He’s dreaming.”
Score: 0
MP3 can be downloaded here. More episode info on IMDB, Memory Alpha, and Wikipedia
I remember being quite engrossed by this episode when I first saw it as a child back in ’91 out of concern for poor Riker, but watching it again now it is truly an awful episode. Back then I’d have had no idea of the concept of a clip show or the production history of this TV series and with the BBC showing the first three seasons back-to-back continuously I had no idea this was the last episode of season 2 nor had any idea what a TV season even was: episode lists on BBSs and later the Internet were still to come…