Once upon a time, sci-fi obsessives Clive, Rufus and Simon, plus reluctant housemate Sam and pet Cthulhu Howard, lived in what looked like a regular suburban two-up two-down but was in fact a craft for visiting other universes, powered by misfiring transdimensional technology. Often to be found plunging through the planes of reality, they had numerous adventures — but now they’re older and gone their separate ways...