NPR, Where are the Landing Pages for Podcast Episodes?

I was just trying to share a single episode of NPR’s Podcast “How I Built This” with a friend. When I searched for the episode, no authoritative episode landing page showed up. Odd … so I go to the podcast general show page. For each recent episode you have options to:

Well-run podcasts should always have an episode landing page, where you could go if you’re linking to an episode, find show notes, and also be the place for search engines to return if a user is searching for a particular episode. This last case, SEO, is particularly interesting in NPR’s case, because if you do search for this episode, you can see that many other websites are grabbing the users that should be landing on NPR’s site.

NPR, I want to share your podcast episodes, so please provide episode permalink landing pages!