Got my question answered. For all those wondering, I got this from IFC:
Season 8 of Weeds will air Tuesdays this Fall on IFC Canada, premiering on Tuesday, September 4 at 11:15pm ET. For your reference, our website offers a two-week schedule of our programming available here: http://www.ifctv.ca/Schedule.
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Unfortunately IFC is SD only. Showcase had it in HD.