In season 2, episodes "The Web"/"The Net" contain mostly overlapping material but told from a slightly different perspective. But only "The Net" has a definitive conclusion so the US Sci-Fi Channel decided not to show "The Web" at all.
In the original broadcast of "I worship His Shadow" the battle between Thodin and Kai was in a cave. In the "second version" of IWHS it was high above the Cluster. Also in the original version, there was no voice-over by Kai before the Brunnen-G anthem appears and BugBomb had no voice.
In the original broadcast of "I worship His Shadow" the scene of when Stanley Tweedle is on its way to the heretics, followed by the ForeShadow, is shown. It was said that this events occur eight years earlier than the main story begins and Thodin gets transported to the Cluster. It was cut in the "second version" of IWHS, nobody knows why. Even though John Dunsworth, who plays the Asteroid commander of the heretics at this scene, is credited, he made no appearance in the "second version".
Episodes of season 4 which have a more mature adult theme was only shown once in Canada and never repeated again, not even in syndication.
The first season of the series originally consisted of several 2-hour movies linked together as a mini-series called "Lexx: The Dark Zone" (1997) (mini).