Relative Dimensions
Relative Dimensions is an audio drama based on the long-running British science fiction television series "Doctor Who". This audio drama was produced by Big Finish Productions. Plot. The Doctor invites his granddaughter and recently discovered great-grandson to have Christmas dinner in the TARDIS with him and Lucie. Little does he realise that a long forgotten danger is lurking in the TARDIS and somehow it is draining all of the power. Broadcast. Relative Dimensions was broadcast on digital radio station BBC Radio 4 Extra on 15 Jan 2013 as a single hour-long episode.