Context:

The episode opens with a reading from this book, specifically the passage about Toad being confronted by Badger about his reckless behavior. The hosts explicitly identify it as being from Kenneth Grahame's Wind in the Willows and compare Boris Johnson to the character of Toad.

Context:

Referenced when discussing the story of Emperor Otho's dignified suicide. Tom mentions that Suetonius is 'the biographer from whom we get this' story, and notes that Suetonius's father was present when Otho gave his final speech, lending credibility to the account.