Hi, @Stewart84995.
Welcome to the Roku Community!
We appreciate you reaching us about this issue. In this case, we cannot retrieve event recordings once it is removed.
Furthermore, you may visit this support article on how to set up and view recordings on your Roku Smart Home camera or video doorbell
We hope you'll find this information helpful. Let us know if there's anything else we could further assist you.
Thanks,
The Roku Community Team
Reynan L.
Roku Community Moderator