This was designed to be a money saving bottle show, but much like "Power Play", it turned into one of the year's most expensive.
	The wall-through effects were straight forward but time consuming according to Rob Legato. The actors and set pieces were filmed in second unit shooting before a blue screen backdrop and then carefully animated into he live action.
	Picard delivers a rare verbal blooper here saying Ro's troubles occurred on Garon IV instead of Garon II (see "Ensign Ro" and "Conundrum").
	The Goddard shuttlecraft is named for American rocket pioneer Robert H Goddard.
	The Romulan science vessel miniature is a redress of Jarok's scout ship from "The Defector".

If you have some more behind the scenes information, send it in.