The cosmic string science subplot was added by intern Writer Hilary Bader.
	Michael Piller had apparently being toying with the idea of not giving Troi back her empathic sense.
	Kim Braden (Janet Brooks) would later play Picard's Nexus-future wife in the feature Star Trek Generations.
	First mention of the structural integrity field, now a major concept used in Star Trek.
	After years of being snubbed by storylines, Marina Sirtis finally got a chance to shine in this episode. Many fans had critisized Guinan's role as being duplicative of Troi, an issue which writers addressed in this episode with a comical undertone.

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