This essay provides a response to the definition of fan culture provided by Henry Jenkins in Convergence Culture. It explores the concept of fan culture and its role in participatory cultures, as well as the various forms of creative expression within fan communities. The essay also discusses the impact of the internet on fan culture and the challenges and contradictions inherent in studying fan cultures. The case study focuses on the BBC series Sherlock and its diverse fan base. Overall, the essay highlights the significance of fan culture in contemporary media consumption and the ways in which fans engage with and contribute to their favorite media texts.