DOI: 10.1145/1129006.1129015This article outlines an overview of new paradigms in social and physical interaction in mixed-reality entertainment. Social and physical interactions are constrained, and thus natural interactions are lost in most current digital entertainment systems. In order to regain natural interactions, we argue that mixed-reality technology has great potential for promoting social and physical interactions. In this article we present five research prototype systems, Magic Land, Human Pacman, Kyoto Garden, Poultry Internet, and Free Network Visible Network (FNVN), to explain methods to regain natural social and physical interactions in mixed-reality entertainment. We believe these systems are part of a new form of entertainment based on physicality, mobility, tangible social interaction, and ubiquitous computing. Some details, benefits, and issues regarding design are discussed.