Children from the US, Europe and as far away as Africa...

What is the closest part of Europe to Washington, DC? Iceland? Ireland? Portugal, the closest part of Continental Europe?

What is the most distant part of Africa from Washington DC? Someplace in South Africa? Madagascar, if an island counts?

Once you select your examples, find out their distances from Washington DC. Then you will see that at least SOME parts of Africa are thousands of miles farther away than at last SOME parts of Europe.

Anyway, in my experience with real life people they tend to talk without thinking and composing their sentences first to make sure that their sentences are accurate.

TV characters usually speak a lot more coherently than real people, but some TV writers sometimes have their characters talk almost as badly as real people, either for the sake of seeming realism, or the writers' own incompetence at writing clear sentences.

Thus I have no problem with a TV character in Washington, DC saying: "Children from the US, Europe and as far away as Africa..." even if some of the kids from Europe might possibly be from farther away than any of the kids from Africa.

Africa is not right under Europe, it is just depicted that way on standard maps with north at the top.

I may be too critical, but I find that folks in the United States speak about or refer to "Europe" as though it is a country (ditto for Africa).

As a Canadian I could feel excluded - the Aliens don't like/ want us? In context if reference is made to two Continents, then the USA should be incorporated under North America unless specifically excluding Canada and Mexico.

It would have been better for the writers to use a generic "children from all over the world..." and let us viewers associate that with other Continents, including Asia, South America and Australia (not too many people watching from Antarctica I reckon).