One of the computer readouts that Dr. Timicin studies in Engineering has the numeric code "4077". This is a reference to David Ogden Stiers' earlier role on the series M*A*S*H. See more...
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Star Trek: The Next Generation (1987) - 3 mistakes in show overall
Some of these may not have been submitted with enough information to assign them to their proper episode - if you know where they belong, please click 'edit' under the entry, then choose the "change episode" option.
Continuity: The creators re-did the titles from the third season on, but only from before the shot of the ringed planet, and they didn't make sure they matched. Compare the movement of the stars inside the rings and the star field outside the rings - they move in different directions compared to each other.