5/19-5/21 only, American Dad: Vol 1 DVD $20 at Future Shop

[I AM WILLIAM H. MACY]

Also available online, though not sure how much shipping is (they have in-store pickup too).

http://www.futureshop.ca/catalog/proddetail.asp?logon=&langid=EN&sku_id=0665000FSM2110894&catid=11010

Only available in Canada.

(on a side note, this equals out to about $17 American so it really is a good deal)

EDIT:
Found some more good deals:

Batman Begins (Widescreen, 1-Disc Edition) $9
http://www.futureshop.ca/catalog/proddetail.asp?sku_id=0665000FSM2100456&catid=14718&logon=&langid=EN

South Park: Season 7 $30
http://www.futureshop.ca/catalog/proddetail.asp?sku_id=0665000FSM2100456&catid=14718&logon=&langid=EN

Star Trek: Fan Collective - Time Travel $23 (? don't know what this is, looks like a deal though)
http://www.futureshop.ca/catalog/proddetail.asp?sku_id=0665000FSM2108252&catid=11021&PCName=MAY19ROP&logon=&langid=EN

Charlie and the Chocolate Factory (Widescreen, 2005, 1-Disc Edition) $9
http://www.futureshop.ca/catalog/proddetail.asp?sku_id=0665000FSM2102989&catid=14719&PCName=price%5Fdrop&logon=&langid=EN

[Azumangaman]

So you know, American Dad is 18.95 at amazon.ca