Finality
From Tardis Wiki, the free Doctor Who reference
When the Fourteenth Doctor challenged the Toymaker to a final game, the Toymaker wanted to play it with the next Doctor, and turned the gun on the Doctor. When the Doctor bi-generated, an "extra Doctor" was then present, ready to play a final game of catch. (PROSE: The Doctor's Busiest Day [+]Loading...{"page":"8 - 9","1":"The Doctor's Busiest Day (short story)"})
