Brand new, never-before-seen footage is revealed in a special episode of \"The Real Housewives of Orange County.\" Gretchen talks candidly about her battles with an eating disorder, and Tamra discusses her oldest son’s health issues. Meanwhile, Fernanda confronts Alexis about her judgment of gay marriage, and in a never before seen moment from the finale, Vicki confides to her brother about what really led to the Gunvalson divorce.