If you run out of your viewer hours that are included in your IBM Video Streaming plan that you purchased, you will be billed for overages appropriately priced for the plan that you chose.
IBM Video Streaming plans are set to automatically renew at the end of your billing period/beginning of your next billing period.
(For example:, If you purchased services on January 3rd, the next charge on your card will be February 3rd)
If you would like to know how to switch to a different subscription plan, or cancel your IBM Video Streaming subscription, you can find the instruction here.