Original comment by Jennifer: Episode length ranges from 5 to 30 minutes and there are hundreds of episodes. Sometimes he has guests on the show (that are non-native speakers). He likes to talk about Chinese expressions and tell stories. Completely in Chinese. I estimate it at higher intermediate.
Expanded comment by Olle: This is one of my favourite podcasts for intermediate learners. The host, Da Peng, is good at speaking clearly without making it sound too exaggerated, and he puts a lot of effort into each episode. If you're tired of scripted dialogues, this is for you! There are several different types of episodes, including those featuring daily Chinese expressions, interviews with advanced learners and more spontaneous monologues. These vary in difficulty, so check a few different types before you decide if this is for you or not.
As with many other podcasts focusing on vocabulary and phrases, it's okay to not focus too much on the content being taught, and instead focus more on the explanations. These are simpler and more comprehensible for most students. If you come away from an episode about a certain phrase, without feeling that you know that phrase, but you did understand most of what he said in the episode, that's completely fine!
Pros: Only in Chinese, engaging, varied content
Cons: Difficulty varies quite a bit between episodes
Official description: 你好!这里是“说中文”播客,我是大鹏。这个播客的目的是为了帮大家更有趣儿地学习中文。我们的重点是听力、发音和常用语。希望这个播客可以给你带来快乐,播客中见!