"STAR TREK VOYAGER" RETROSPECT - (4.23) "Living Witness"

The STAR TREK franchise has aired a good number of episodes featuring the "Mirror Universe" - an existence in which the Federation is solely a Human-controlled, fascist empire. This universe was first introduced in the "STAR TREK" Season Two episode, (2.04) "Mirror, Mirror". The "Mirror Universe was also featured in several "STAR TREK DEEP o espaço NINE" episodes and most memorably in an "ENTERPRISE" episode called (4.18-4.19) "In a Mirror Darkly".

There have been parallel universe episodes featured in both "STAR TREK: seguinte GENERATION" and...