On 20 July, the following important behind-the-scenes events were known to have occurred:
- 2005 - Rewrites for The Christmas Invasion and New Earth known as "pink revisions" were made. These applied to the scenes with Harriet Jones' press conference, the taxi returning Rose Tyler and Mickey Smith to the Powell Estate, Harriet being brought aboard the Sycorax spaceship, the Tenth Doctor asking Rose how he looks, the newly-regenerated Doctor asking what kind of character he is, the Doctor's challenge to the Sycorax leader and the Cassandra watching a home movie of her younger self. (DWMSE 14)
- 2010 - Recording for Industrial Evolution took place at The Moat Studios.