Eighteen onetime "Bachelor" and "Bachelorette" contestants (estranged 2010 "Bachelor" couple Jake Pavelka and Vienna Girardi among them) move into the franchise's Malibu mansion to vie for a cash prize and, perhaps, to find romance. The challenge in the opener: "The Hook Up." Couples suspended 10 feet above ground must cling to each other, with the couple clinging the longest being spared from facing elimination, a fate that will befall one guy and one gal