<P> In 1993, for the franchise's 30th anniversary, another charity special, titled Dimensions in Time was produced for Children in Need, featuring all of the surviving actors who played the Doctor and a number of previous companions . It also featured a crossover with the soap opera EastEnders, the action taking place in the latter's Albert Square location and around Greenwich . The special was one of several special 3D programmes the BBC produced at the time, using a 3D system that made use of the Pulfrich effect requiring glasses with one darkened lens; the picture would look normal to those viewers who watched without the glasses . </P> <P> In 1999, another special, Doctor Who and the Curse of Fatal Death, was made for Comic Relief and later released on VHS . An affectionate parody of the television series, it was split into four segments, mimicking the traditional serial format, complete with cliffhangers, and running down the same corridor several times when being chased (the version released on video was split into only two episodes). In the story, the Doctor (Rowan Atkinson) encounters both the Master (Jonathan Pryce) and the Daleks . During the special the Doctor is forced to regenerate several times, with his subsequent incarnations played by, in order, Richard E. Grant, Jim Broadbent, Hugh Grant and Joanna Lumley . The script was written by Steven Moffat, later to be head writer and executive producer to the revived series . </P> <P> Since the return of Doctor Who in 2005, the franchise has produced two original "mini-episodes" to support Children in Need . The first, aired in November 2005, was an untitled seven - minute scene which introduced David Tennant as the Tenth Doctor . It was followed in November 2007 by "Time Crash", a 7 - minute scene which featured the Tenth Doctor meeting the Fifth Doctor (played once again by Peter Davison). </P> <P> A set of two mini-episodes, titled "Space" and "Time" respectively, were produced to support Comic Relief . They were aired during the Comic Relief 2011 event . </P>

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