While in Lake Tahoe, Crystal bares it all - but Sutton is not having it. Meanwhile, a latenight admission from one of the women strikes Kyle as odd; Dorit makes certain denials that no one takes at face value;

Cast: Kyle Richards, Lisa Rinna, Garcelle Beauvais, Dorit Kemsley, Sutton Stracke, Crystal Kung Minkoff, Erika Jayne, Teddi Mellencamp Arroyave, Agustin Avila, Eileen Davidson, Brandi Glanville, Camille Grammer, Savannah Guthrie, Kathy Hilton, Paul Kemsley