When Wanda mentions that her favourite Canadian TV series is Street Legal (1987), Oscar bellows, "Street Legal sucked!" Eric Peterson, who plays Oscar, was one of the stars of Street Legal.
Karen has been a cop for five years, indicating that she only became a cop (and presumably moved to Dog River) shortly before Lacey did.
At the mid-way point, when Hank meets Brent in the bar, the time outside is day from within the bar, but night in the establishing shot outside.