To save the family from bankruptcy, Christopher Columbus convinces friends Leonardo da Vinci and Mona Lisa to go to a treasure island. On the trip, they are attacked by the Beast Nautilus
Yuri, Lili and Matt get ready for a very special day. But their dreams go down the drain when they discover that the parents have changed their plans and are now going to the same summer camp together, with several children they have seen.
Rita must learn to deal with her increased shopping compulsion after the news that her daughter wants to leave.