Does the subject want to ask "which episode is the Cambridge 5 Jie mentioned by Little John"? The third episode. According to Little John's brief introduction, the first two episodes of Little John introduced the history and culture of Cambridge University, providing the audience with the necessary background knowledge. The third episode specially introduces Cambridge Five, which is an independent theme. Little John is the representative work of the Dutch writer Frederic Van Eden. Little John was called "a poem without rhyme, a fairy tale for adults" by Lu Xun.