There's so many sports bars in LA you'll be bound to find one that's playing it. Also it will be on the 4th of October here at 11am PST I believe (in Aussie it will be the 5th).
Spike TV will be broadcasting all NRL finals as well as the Grand Final.
If you want Aussie Meat pies however you can go here
617 S. Centre St
(310) 514-1121 about 9 years ago