(written from a Production point of view)
The Star Trek: The Next Generation Viewers Choice Marathon was a television special hosted by Jonathan Frakes that aired 15 May 1994, the same day as DS9: "Crossover". The top five episodes were chosen by call-in votes of fans.
The marathon was preceeded by the premiere of Journey's End: The Saga of Star Trek: The Next Generation.
In the order they appeared in the marathon, not ranked by number of votes.