More at https://www.philosophytalk.org/shows/more-pun-and-games.

Puns have been called both the highest and lowest form of humor. There is something about them that is at once painful and pleasurable, capable of causing either a cringe or a chuckle. But what exactly is it about word play that we find humorous? Is there something in particular about puns that makes them especially cringe-worthy? How does the humor of a pun compare to other types of jokes? We may know why the chicken crossed the road – but can we eggsplain what’s funny about it? John and Ken get punny with John Pollack, author of The "Pun Also Rises: How the Humble Pun Revolutionized Language, Changed History, and Made Wordplay More Than Some Antics."