Kimball injures himself on the porch, and takes advantage of the Douglases.

Lisa cons Oliver into taking a 'fifth' honeymoon together, this time in Hawaii. When they check into the honeymoon suite, they are unaware that the hotel manager's daughter, has given her friends the suite for their honeymoon also. Since the suite has two bedrooms it's just a case of both couples avoiding each other while on their honeymoon(s), for a while anyway.