Joan and Nan turn a bedroom into a studio apartment for a girl that moved back home.

Host Joan Steffend and interior designer Nadia Ramirez create a cozy cowboy-themed bedroom for a 7-year-old boy for under $500.

Host Joan Steffend and interior designer Courtney Yasmineh turn a partially decorated spare bedroom into a charming, provincial office.

Joan and Nancy tackle a master bedroom that's decorated with hand-me-down furniture and transform it using a charming, cozy cottage-style design.

Host Joan Steffend and interior designer Peggy Sellwood rejuvenate a small, historic parlor into a whimsy space with antique accessories.

Joan and Nadia turn a spare room into a home office the entire family can use.

Host Joan Steffend and interior designer Nan Sloan spruce up an L-shaped living room and dining room and tie them together for under $500.

Joan Steffend and interior designer Peggy Sellwood turn a mismatched spare room into the perfect place for a garden tea party for under $500.

Joan Steffend and Joan MacDowell transform a bathroom shared by two girls to make it more sophisticated for the teen and more colorful for the younger child.

Joan and Ann give a master bedroom personality using warm garden colors.

Joan and Bridget turn a spare bedroom into a cozy and functional library-den.

Host Joan Steffend and interior designer Greg Walsh bring modern, industrial style to a living room that lacks personality.

Joan Steffend and Joan MacDowell transform a growing family's tiny kitchen with color and increased space.