In the original script, Rose's first experience of seeing the TARDIS interior was shared with the audience. Director Keith Boak, however, wanted her to exit and run around the TARDIS before entering again, at which point the interior would be revealed to the audience. This change was eventually embraced by the executive producers. Davies remarked that he originally wanted to take Rose and the audience inside the TARDIS in all one shot, but this was not a feasible with the budget. This effect would later be accomplished in the 2012 Christmas special, "The Snowmen".