The Scene where the Junkie pretends to put a gun to Mark Moran's head, in the background there's a sign stating North Melbourne Station upgrade, those works started in 2008 not 1995.
When the bikies are drinking in a pub in the early 1990's, you can see that 'Pure Blonde' is available as one of the beers on tap, even though it was not released until 2004.
When the bikie and his son are seen playing video games, they are playing a Nintendo Gameboy Advance which was not released until 2001, six years after the episode is set.
The episode is set in the 1990s but the biker and his son are seen playing a Gameboy Advance, not released by Nintendo until 2001.