Abstract. This book constitutes the refereed proceedings of the 5th European Conference on Interactive Television, EuroITV 2007, held in Amsterdam, The Netherlands in May 2007. The 24 revised full papers were carefully reviewed and selected from 80 submissions. The volume combines papers from academia and industry covering a wide range of areas such as media studies, audiovisual design, multimedia, human-computer interaction, and management. The papers are organized in topical sections on social TV systems, user studies, the future of TV, social TV evaluation, personalization, and mobile TV.