Complex sentence: Because of the poor response to the film, it faded into obscurity until March 11,1995, when it was used as an episode of the "Mystery Science Theater 3000" television series.
Split into simpler sentences: Because of the poor response to the film, it faded into obscurity until March 11,1995. On that date, it was shown on an episode of the "Mystery Science Theater 3000" television series.