If you are having trouble streaming Mulan through Disney+ than you are not alone. And while there are lots of websites you may not feel like asking people on Facebook how to do it. The good news is that Disney+ has a phone number for helping customers stream Mulan. Yes they actually planned for this.
If you need to call Disney+ for help on this issue call 888-905-7888.
The company has even set up different options depending on how you are trying to access the movie. The help menu includes watching on a Smart TV, Chromecast, Apple TV or everything else.
That means if you are a Roku or Amazon Fire TV customer you have to choose everything else. If you do call you may need to be prepared for a long wait.