[s2e9] The Satan Pit -

: The final production draft was dated February 10, 2006 .

: The final line of the script where the Doctor identifies himself and Rose as "the stuff of legend" was the final scene filmed by Billie Piper as a series regular. [S2E9] The Satan Pit

: Extra dialogue was written to explain why the deep cavern floor was covered in liquid (poison rain/snow from subterranean gases) due to the real-world snowy conditions during the quarry shoot. 2026 Target Novelization : The final production draft was dated February 10, 2006