You're in Theater View, but what's deleting files? Are you doing it with a remote from the couch?
After watching a series file, I delete it through the Theater View interface using IR /USB-UIRT Receiver plugin within Girder.
These are the same functions used to select films for viewing except I choose delete the file permanently from the menu and then confirm.
All navigation and delete confirmation commands are executed via the Core Command list.
So to answer your question, Yes I delete them from the couch.