Kettle
From Tardis Wiki, the free Doctor Who reference
A kettle was a device used to boil water.
When the Twelfth Doctor formally invited Bill to join him as his companion, he sent Nardole to put the kettle on in the Doctor's office whilst he secretly introduced her to all of time and space. (TV: Smile)
Iris Wildthyme's TARDIS had a kettle. (PROSE: Bafflement and Devotion)
