While Lydia was featured in a previous episode (last name Pike, not Crosswaith), she was suppose to live in Greensboro. But in this one, she comes by Goober's gas station freqently to have her oil changed!
Barney: Aren't you supposed to be on your date? It's almost eight o'clock.
Goober: I already been.
Barney: You're back already?
Goober: I don't know what happened. I followed all the directions.
Barney: For heaven's sake, you were on a date, you weren't taking medicine.