Plot: In the Season 7 finale, a family with a dad who has Lou Gehrig's disease and a son with spina bifida get a rebuilt home with help from the NFL's Michael Oher and the Tuohy family, upon whom the movie "The Blind Side" is based. Also appearing: Demi Lovato; Wilmer Valderrama; and football analysts Herm Edwards, Mark Schlereth, Mark May and Desmond Howard