1-before.js

movieFinder.find('Falcon')
  .flatMap(function (movie) {
    return geocoder
      .geocode(movie.locations)
      .take(1)
      .pluck('geometry.location')
      .map(function (location) {
        return {
          location: location,
          movie: movie
        };
      });
  })
  .subscribe(log);

2.after.js

movieFinder.find('Falcon')
  .flatMap(movieToResult)
  .subscribe(log);

function movieToResult (movie) {
  return geocoder
    .geocode(movie.location)
    .take(1)
    .pluck('geometry.location')
    .map(movieAndLocationToResult.bind(undefined, movie));
}

function movieAndLocationToResult (movie, location) {
  return {
    movie:    movie,
    location: location
  };
}