你知道嗎？
- ... that the producers of K9 gave a tiny nod to Doctor Who by setting part of a time travel story called The Cambridge Spy in November 1963?
- ... that Brendan Richards, onetime pal of Sarah Jane Smith and K9 Mark III, was unable to attend the funeral of Lavinia Smith, his guardian, because he was working in Californian computer industry at the time? (AUDIO: Comeback)
- ... that hexachromite gas has no effect on mammals like Humans, but is deadly to Sea Devils and Silurians? (TV: Warriors of the Deep)
- ... that the Second Doctor, Ben, Polly and Jamie were almost fed to sharks as a sacrifice to Amdo? (TV: The Underwater Menace)
- ... that the Voords fought the Marinusians for control of the planet Marinus? (TV: The Keys of Marinus)