Resistance

From Tardis Wiki, the free Doctor Who reference
You may be looking for the audio story.

Following the attempted destruction of London by the Meep, the Fourteenth Doctor discovered that the TARDIS had been giving itself a makeover, with him being unable to resist having a "quick run" around it. (PROSE: The Doctor's Busiest Day [+]Loading...{"page":"9","1":"The Doctor's Busiest Day (short story)"})