Dora the explorer in Mexico

[Liebatron]

Just a question I had, how do they (or do they have it period) do Dora The Explorer in Mexico? Half the shows popularity(to the parents atleast) is that Dora speaks Spanish. If the show is shown in Spain or Mexico or any other Spanish speaking country I might have missed, whoopee, big deal, she can speak spanish. How do they do it in Spain and Mexico? do they have her speaking English then?

How's it work?