Here is a list of the supported model(s):
Z730X series (65Z730X, 55Z730X, 49Z730X, 43Z730X)
RZ630X series (50RZ630X, 43RZ630X)
M530X series (65M530X, 55M530X, 50M530X, 43M530X)
RZ630X series (50RZ630X, 43RZ630X)
M530X series (65M530X, 55M530X, 50M530X, 43M530X)
*Requires Internet connection.
If you wish to know how to use the Hulu app, please refer to this help article: [TOSHIBA TV] How does Hulu work?