Lucas heads west to Bountiful, UT to build a dream backyard on the side of a mountain. Faced with many challenges, Lucas creates a Tuscan themed pool with a spa, the biggest linear fire wall he's ever built and a grotto with a 23,000 pound lid!

Golfer J.B. Holmes says he never wants to grow up, but his wife wants relaxation; challenged with making this two-in-one staycation fun-filled destination, Lucas creates a sports area, blissful sun shelf, and his first covered slide.

A dedicated caregiver gets her lifelong wish of having her own pool. Lucas faces the pressure of not only building a dream pool, but has to create it in a small backyard. The team transforms the family's yard into a little oasis with big potential.