May contain spoilersAnd no one - not one of the dozing family - noticed that the wheels of CHITTY-CHITTY-BANG-BANG were slowly, inch by inch, being submerged by the incoming tide, and no one realized that soon, very very soon, the whole family, Commander Pott, Mimsie, Jeremy and Jemima - and CHITTY-CHITTY-BANG-BANG, who by now was really a member of the family too - would be marooned out in the middle of the sea - threatened with mortal danger!