Please provide the following details:
Is it a laptop or a desktop?
Since when are you facing this issue?
Are you watching the show on a browser or a specific application?
If you are using a browser, reset the browser using the link mentioned below:
Also, check the power options and change it to never shutdown.
For power options, open the Start Menu and type powercfg.cpl in the search box. Press enter.
Thanks & Regards