Back to School
A flashback at the start of the episode shows a young Kati at Ridgeway Elementary at 420 East 8th Street in North Vancouver.
Dean picks up Kati at her apartment at 610 Jervis Street.
Dean and Kati find Alex (Ken Douglas) the drug dealer's battered body below the staircase at Point Grey Secondary. This exact spot was seen way back in season one's Don't Pet the Teacher.
GPS Coordinates:
49.237713,-123.153238