$25 Amazon Credit Offer – This offer is Only While supplies last, the first registered customers who stream at least 10 hours in the Discovery GO app during Shark Week (7/28 – 8/4) will receive the credit. Please allow up to 7 days to get your credit. You will receive an email confirmation with instructions on how and where to redeem your credit. Simply [ GO HERE ] and register to get started. Scroll all the way down to the bottom and click on the ” Terms and condition ” to see all the other terms.