The third annual Second Life MOOC (SLMOOC16) took place from April 2-30, 2016 in Second Life. The theme of the MOOC was “Connecting in Virtual Worlds. Communities of Practice” There is a plethora of communities in virtual worlds promoting education and learning through connecting online via web technologies such as Second Life. The MOOC centered on connecting online for collaborative learning and teaching around the world through virtual worlds like Second Life, Minecraft, or OpenSim. The live presentations included the speakers’ reflective process on teaching and learning in fully online and blended learning formats. SLMOOC16 is designed for educators, schools, and public and private businesses that wish to provide training in virtual worlds. At the end of this experience, participants contribute with their insights to the research and effective learning in VWs. Weekly badges and a final certificate of completion were available for free.