We are pleased to announce the fifth Workshop on Virtual Reality Interaction and Physical Simulation VRIPHYS 08. The workshop is hosted by the Grenoble Universities, France, November 13-14, 2008. It is organized in cooperation with Eurographics. VRIPHYS is one of the well-established international conferences in the field of computer animation and virtual reality. The workshop provides an opportunity for researches in virtual reality and computer animation to present and discuss their latest results and to share ideas for potential directions of future research. Looking for forward to meeting you in Grenoble, Matthias Teschner and François Faure.