Cal Spas Hot Tubs, Spas and Swim Spas for Sale. Cal Spas Escape ES732B Spa featured on Yard Crashers. Cal Spas - Calspas Escape ES732B Spa featured on Yard Crashers. Cal Spas was featured on the "Private Brick Patio Paradise" episode of Yard Crashers, which aired on August 11, 2011. This episode featured a Cal Spas ES732B hot tub as a key component of this backyard makeover. Visit us at www.calspas.com