Lawnmowin' Marty thinks the grass would be greener if he had some new digs he could really dig. So friends Kimberly and Prutha plant their ideas on designer Jordin and carpenter Barte to create the ultimate room for Marty's mowing company. Marty's new "lawnmower room" comes complete with a huge lawnmower bed, dressers in the shape of hedges, a funky foldout grass desk, a colorful cartoon neighborhood for his walls, plus custom-made business cards and personalized logo shirts to help his lawn-mowing business grow.

Aspiring teacher Kimberly is dreaming of an A-plus room but her boring old playroom just doesn't make the grade. So friends Marty and Patrick put their design skills to the test and with the help of designer Scott and Trading Spaces' own carpenter Carter, create the "classroom playroom" of Kimberly's dreams, complete with giant book-shaped desks, custom-made notebooks, a cool chalkboard, a fuzzy bulletin board and a dry erase board that doubles as a screen for her very own overhead projector.

Plus, girls and boys go head to head in the new extreme Boys vs. Girls challenge! Find out which team will battle their way through gobs of goop to win their choice of either the Labor Savers work crew or a cool clue about their room!