Cancel an Amazon Fire TV membership

When you signed up for Sundance Now with your Amazon billing information to start a subscription on your Fire TV, you can only manage the subscription on the Amazon website. To cancel your Sundance Now subscription on Amazon.com:

1. Go to https://www.amazon.com/appstoresubscriptions 

2. Find the Sundance Now subscription and select 'Actions'

3. Choose 'Edit payment information' -> 'View billing history' -> 'Cancel your subscription'