Following a concussion at the office, Rob winds up at a swinging party in New Jersey with no idea how he got there.
Overjoyed to discover a rustic village on the back lot of the Mammoth Pictures studio, the Clampetts decide to settle there.
The Clampetts take part in an epic film produced by their studio.
Their long friendship almost breaks up when Joey Barnes forgets he promised Larry to wish his girlfriend a happy birthday.