Star Trek: The Next Generation - Wrong Ships
In "Yesterday's Enterprise",when the Enterprise-D and C are being attacked by the Klingons for the second time,Ensign Crusher says "Three K'Vort class battle cruisers off the starboard bowel." But then, you cut to the ships being attacked, and you can see that they are B'Pel class Bird-Of-Preys,and that the wings are up. B-O-P's always attack with the wings down in attack mode.
Episode "Yesterday's Enterprise"
on 05-14-2000 and