Importing template for individual page changes nothing

I’m trying to import the ‘episodes’ page template for my podcast site. When I go to my episodes page (which is set as my posts page) I click the starter templates button on the top, search for the episodes template, click import, and then update, but it looks exactly the same as before.

I have the template option set to ‘theme’ in the edit page menu.

What else do I need to do in order to get the template to actually import?

The page I need help with: [log in to see the link]