Mike and Jim have their work cut out for them when a Palm Springs, Calif., couple wants to transform their narrow three-sided backyard into a personal resort by adding a grotto, Zen area, putting green, oversized spa, and beach entry.

In Palm Desert, Calif., a ranch family is ready to build a desert oasis; Mike and Jim build a backyard paradise that includes a complex of waterfalls, a natural boulder spillway, a hidden water-slide and an outdoor kitchen.

In Carlsbad, Calif., a young family wants a nice backyard where the children can play; Mike and Jim are up to the challenge and build a power-packed pool with a spa, underwater volcano, custom slide, and a Tuscan grotto.

In Rancho Cucamonga, Calif., a family of five asks the Pool Kings to transform their neglected backyard into a relaxing multi-level private resort with a waterfall grotto, huge spa, swim-up bar, outdoor living room, and tropical landscaping.

Family members are hoping to upgrade their backyard in the form of a swimming pool, but their yard is 12-feet below the patio forcing the team to build an extra-deep pool that goes up; the team also builds a waterfall, a spa and a fire feature.

In Austin, Texas, a young family wants to build a refined rustic "staycation" paradise in their backyard; Mike and Jim answer the call by building their dream oasis with waterfalls, LED lights, a swim-up bar, and a barbecue cabana.