Watch Bethenny and Fredrik

With Bethenny and Fredrik's renovation coming to an end, they prepare to put the apartment on the market. Fredrik celebrates the pending arrival of his twins. And the pressure is on as Bethenny and Fredrik's design choices are put on display at their first open house together.

Bethenny and Fredrik must meet their renovation deadline. Fredrik flexes his construction muscles while they both shop for a porcelain throne. With time running out, Bethenny and Fredrik hope the apartment can be staged and finished in time.

Bethenny starts to question Fredrik's motives when some unexpected numbers arise in their renovation budget. Things get heated when Fredrik is confronted, and a blow-up fight jeopardizes the future of their relationship.

After Bethenny and Fredrik's property hunt in Manhattan comes up short, they move their search to the Hamptons. When the press releases a photo of Bethenny on a date, her ex-boyfriend resurfaces.

With Fredrik away in Africa, Bethenny views a potential investment property with Fredrik's assistant Jordan. Tensions arise when Fredrik finds out, and confronts Bethenny. Meanwhile Fredrik and his husband begin to prepare for the arrival of their twins.

With construction underway, Fredrik and Bethenny search for their next investment property; Fredrik's choice of apartments and upcoming travel plans make Bethenny question how serious he is taking their new venture.

Fredrik invites Bethenny to see what could be their first potential investment property together as business partners; Bethenny fears it could be more of a money pit than a successful flip; and both are left wondering if business and friendship can actually mix.