For the first time in a decade, the designers, carpenters and host Paige Davis reunite; designers Doug Wilson and Hildi Santo Tomás and carpenters Ty Pennington and Carter Oosterhouse redo rooms for two sisters who live next door to each other.

A new mother is desperate for relaxation and a new mom cave, while her neighbors need a multi-purpose room for kids and parents alike; one designer's bright color choice makes a loud impact, in more ways than one.

The team finds out if mom and dad really know best as a son and his parents redesign each other's massive master bedrooms; one designer experiences some pushback with a proposed change that may jeopardize these family ties.

A few special guests bring many design surprises to this heartfelt and humorous episode of Trading Spaces. A couple of DIY design enthusiasts trade spaces with their neighbors and friends, a family whose toddler has overcome cancer.

It's the battle of the basements outside Baltimore, as legacy designer Hildi Santo-Tomás and special guest Clinton Kelly pair up with some fun neighbors full of passion and personality.

Designer Laurie Smith joins the team newcomer Sabrina Soto in the suburbs of Baltimore, Maryland, as two sets of young parents redo a room in each other's home. However, one designer's ambitious plans may cause some super-sized concerns.

The team heads to Atlanta, where designers Genevieve Gorder and John Gidding redo a big basement and a small spare room. John's debut proves that smaller isn't always easier, as he struggles to maximize design within a tiny space.

The crew tackles two living rooms and one fan as they trade spaces in the suburbs of Atlanta, Georgia.