Semtis is a planet situated in the top left hand corner of the andromeda galaxy the doctor refers to clown cars as the only other dimensionally transcendental vehicle in the universe besides the tardis clara comes across a sauna in the tardis the doctor mentions that he met a sontaran stand up comedian. Set during matt smiths time as the doctor with clara as his companion shroud of sorrow all the inhabitants of the earth must be saved from the final stage of grief occurring right after jfks death the shroud attempts to bring everyone to acceptance of grief which would be too late. Doctor who shroud of sorrow it is the day after john f kennedys assassination and the faces of the dead are everywhere pc reg cranfield sees his. Set during matt smiths time as the doctor with clara as his companion shroud of sorrow all the inhabitants of the earth must be saved from the final stage of grief occurring right after jfks death the shroud attempts to bring everyone to acceptance of grief which would be too late