smg goes behind the scenes to experience the world of happytime murders Published 6 years ago • 2.4K plays • Length 11:39 Download video MP4 Download video MP3 Similar videos 5:46 the happytime murders behind the scenes b-roll with cast and crew 3:50 'the happytime murders' puppet academy: how to puppeteer like a pro 2:45 the happytime murders: sit down with the puppets featuring matthew hoffman - regal cinemas [hd]