Early Access episodes may be visible and discoverable to everyone, but playback is restricted and only available to eligible paid subscribers, located in USA and Canada, during the Early Access period.
This means all visitors can see which podcasts and episodes are available through Early Access, while paid subscribers can access them before they become available to everyone.
If you can see an episode but cannot play it, you may not be a paid subscriber currently located in either the USA or Canada. Once the Early Access period has ended, the episode will become available to everyone.