This podcast is so moreish that you just want to keep listening to one episode after another.

moreish 是由 more（更多）加上后缀 -ish（具有...特性的）构成的形容词，字面意思是"让人想要更多的"。在口语中常用来形容食物或娱乐内容让人上瘾、停不下来。