Pit - [s2e9] The Satan

: The story was initially developed under the umbrella title "Satan Pit" . Key Revisions :

: 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

: When the budget for a CGI creature was in doubt, drafts considered having the Beast appear as a withered old man , a giant disembodied eye , or a creepy young girl . Ultimately, a full CGI model was used. Notable Dialogue from the Script : The story was initially developed under the

: "I've seen fake gods and bad gods and demi-gods... But if I believe in one thing... just one thing... I believe in her!". Ultimately, a full CGI model was used

: 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 .