Child Prodigy (unproduced TV story)
From Tardis Wiki, the free Doctor Who reference
Child Prodigy was an unproduced story written by Alistair Beaton and Sarah Dunant for Season 17 concerning time loops and freezes.
Beaton was a colleague of script editor Douglas Adams from his days as a comedy writer. Him and Dunant were commissioned on 12 December 1978. Their scripts were rejected on 9 January 1979 as being unacceptable. (REF: DWMSE 9)