May the Running Commence

Doctor Who
As a companion never took a Shih Tzu.
He thought its paws
Too tiny for running down corridors.

credit: Melanie Dullinger

or might you prefer

Doctor Who
In his TARDIS had room for a zoo.
But felt morally conflicted
If not temporally afflicted.

credit: BBC

or perhaps even

Doctor Who
To a Dalek said "Noooo;
Me you cannae exterminate
For a wee new Who will germinate."

credit: BBC