Here are 2 links to bestbuy/amazon to buy it on dvd!
this is the lion,the witch and the wardrobe cartoon from 1979 on dvd!
http://www.bestbuy.com/site/olspage.jsp?id=1390972&skuId=13516331&type=product
this is the link for it on www.amazon.com!
http://www.amazon.com/exec/obidos/tg/detail/-/B0002X0QEA/qid=1098546762/sr=1-3/ref=sr_1_3/002-4130795-5128022?v=glance&s=dvd
***note*** they are both on a special order/possible backorder status. the amazon link shows it was released in august 2004 ? so that might be the one to go after.