Liz Shaw found a letter from the Apocalypse Clock in Professor Richard Windshaw's desk. (AUDIO: The Last Post)
A sign reading "Report to front desk" was attached to the front of a door of a police station when Jackie Tyler visited. (TV: Rose)
Nicki Owen found documents connecting Ro-Jedda to the quantum boosters in Ioan's desk. (AUDIO: The Empty Hand)
While trying to prove to Clara Oswald that he did indeed "have a job" at UNIT, the Eleventh Doctor inquired as to whether he had a desk assigned to him. When Kate Stewart told him otherwise, he demanded a desk "pronto. ASAP. LOL.". (TV: The Day of the Doctor)