Get your $5 credit while still available. You must be a member of Amazon Prime. Click Get Sample and log into your account. To participate into this promotion, click one of the banner ads. After making your eligible Prime Video stream, you will receive an e-mail within the next few days from Amazon that indicates the $5 promotional credit has been added to your customer account. 

This is a limited offer. Note that the promotional credit must be redeemed within 14 days of receiving the email. The credit will automatically expire after 14 days.