If you purchased your subscription through SmithsonianEarthTV.com, you can update your credit card information on the website:
- Visit SmithsonianEarthTV.com and log in
- Open the menu in the upper right corner to navigate to the Account page
- Select ‘CREDIT CARD INFO’ under your Subscriber Info
- Enter your password and click 'VERIFY'
- Update your credit card information and select ‘UPDATE CARD’
If you purchased your Smithsonian Earth subscription through Roku®, Apple® or Amazon®, you will need to update your payment information directly through your account with them.