This exemplar discusses how research into television fandom was conducted, with specific focus on how fans reacted to the ending of favourite television programmes. Since the research was focused on a range of different TV programmes, analysis of online postings offered a useful tool to access a broad range of respondents who were in different geographical locations and who were fans of different shows. The dataset details fan responses to the final episodes of favourite programmes 'Lost' - an American drama series incorporating aspects of the supernatural and sci-fi which ran from 2004 to 2010 - and 'The West Wing' - an American political drama series which ran from 1999 to 2006 - and includes postings from an online message board