The Phoenix desert sunset is the backdrop for this episode of Trading Spaces: Family. Complete with sheet metal, a cantilevered shelving unit, and stalactites, designer Barry Wood asks his team to find their inner rock as they transform a game room into a ""Diner in a Cave"". It's the clash between Pre-historic and metallic! Carpenter Carter Oosterhouse is given the task of creating a cantilevered unit around a huge television, while outside, Joe and red team brothers, Matt and Mark, are distressing some beams with propane tanks and fire. Next door, the sails are flying high as designer Cat Wei is creating a sophisticated nautical room to compliment a home full of lighthouses. Blue team Jeff, Lisa, and Blake each have their own ideas to add to this aquatic theme. As if Barry didn't have him busy enough, Cat has Carter building one of the longest desks he's ever made! Tune in to see if the red team forgets they're in the desert when they see Cat's nautical oasis and if the blue team likes