If you were a former Smithsonian Earth subscriber and would like to sign up for Smithsonian Channel Plus with a promo code, follow the instructions below:
- Sign in with your Smithsonian Earth email and password. We recently increased the password security requirement, so if you are prompted to create a new password, follow the instructions on the screen. If you forgot your Smithsonian Earth password, reset your password.
- Click the START FREE TRIAL button on top of the screen. If you are on a mobile device, tap the menu button in the top-right to see this option.
- Follow the instructions on the screen. Because it’s been a while since we’ve seen you, you will need to re-enter your payment information.
- Enter your code on the Payment page under PROMO CODE to lock in your promotional monthly rate.