Today, Jim Henson’s dark fairytale is seen as a classic of 80s high camp. But on release, it bombed. Here, members of the cast and crew remember laughter, tricky puppets and Henson’s ‘joyful magic’ Today, Jim Henson’s dark fairytale is seen as a classic of 80s high camp. But on release, it bombed. Here, members of the cast and crew remember laughter, tricky puppets and Henson’s ‘joyful magic’ L abyrinth arrived 40 years ago with David Bowie at his most devastatingly charismatic, a breakthrough