Dimensions in Time is a charity television special crossover between the science fiction series Doctor Who and the soap opera EastEnders, broadcast in two parts on 26 and 27 November 1993 for Children in Need. In celebration of Doctor Who's 30th anniversary, it features every surviving actor to have played the Doctor as well as several of the character's companions. In this special, the amoral scientist the Rani traps various incarnations of the Doctor in a time loop in Albert Square.