My acquaintance in Japan who studies early Buddhism sent me a playlist of “Early Buddhism Q&A” by Bhante Alubomulle Sumanasara, a Sri Lankan monastic who has been teaching Early Buddhism in Japan.
In these video, he talks in Japanese , but there are English subtitles .
He also teaches suttas from Pāli canons regularly, but English subtitles haven’t been added yet.
Japan is historically a very much Mahayana Buddhist country and the spread of Early Buddhism among non-scholars are recent, I think. Let me put like this: I learned at school in Japan about the history of Buddhism (i.e. lists of Major Japanese Buddhist Schools such as True Pure land School, and their core teachings), and at that time nothing was mentioned about Early Buddhism. I left Japan more than 25 years ago, so I didn’t know until quite recently that there are ordinary people who are studying Early Buddhism now.