Philippe had caught the fly and his mother forced him to release it, right before finding out about the accident. Time finally runs out and Helene is forced to help her beloved husband destroy himself before the fly gains total control. So ends a classic work of science fiction. Having watched the entire film and seeing normally rational people driven to the end of their wits, I do not think so. Passing the scrambled freaks through once more would have only caused more grief, with more body parts being traded between the two.
Women are incapable of learning how to operate heavy machinery.
Cats should be heard and not seen. Ballet programs make handy notepads. Teleportation will not cause champagne to go flat. Flies are not lactose intolerant, but they are alcohol dependent. You should always keep windows in good repair, just in case your husband accidentally switches his head with that of a fly.