When you are travelling overseas, you can watch any downloaded content in offline mode. If you are overseas and online where Disney+ is available, you will be able to stream content that is available in that region. When you travel, you will be logged into the Disney+ service available in the country where you are travelling (for example, if you are an Australian customer and you travel to the United States, you will access the United States service while travelling).
Access while travelling is subject to:
Content downloaded to your device will be accessible regardless of which country you are travelling in, however access may be subject to data limits, roaming charges and other travel-related charges that may be applicable on your computer or mobile device.