Hi @arellanomirtha,
Thanks for reaching out to the Roku Community.
We understand that you already have a subscription to Hulu but got charged. For account & billing concerns, it may be more effective to get help from our Billing team. You can contact them here: then choose 'Account, payments & subscription'. They are the best ones to help you out with that matter.
Don't hesitate to contact us if you need further assistance in the future.
Regards,
Nimfa