Present or Past

Is this a glimpse at Nathan and Audrey's present or past on Haven. "Sarah" is the ninth episode of the show's third season.
Added:

Haven Season 3 Episode 9 Quotes

Duke: Hey! I just wanted to thank you. I thought I was going to be in there until The Beatles!
Junior: The who?
Duke: Them too.

Claire told me I'd find you out here, exhibiting avoidance behavior.

Nathan