At the end of 3DTV
This Week Tomorrow's World enters the third dimension, peering through those magic spectacles to discover how 3-D filming is achieved, and how film-makers make use of the technique.
Kate Bellingham reports from the set of Doctor Who: Dimensions in Time, shown last Friday as part of Children in Need night, and on Saturday night in Noel's House Party.
Also in this week's edition, the third and final part of the diary of Robert Wackrill, who has the rare genetic disorder HHT (Hereditary Haemorrhage Telangiectasia).
With Judith Hann, Howard Stableford and Carmen Pryce. Producer Bill Grist ; Editor Dana Purvis