This poem was posted as a review but it's so great I had to put it up here. Thank you TrueDemigodishness.
Rose Tyler is gone,
Now the Doctor is blue.
Ask Donna "Where's the Doctor?"
She'll reply "Doctor Who?"
Sarah Jane and Martha,
And now both the Ponds,
had their fun with the Doctor,
And now they're all gone.
So ask me again,
Why the TARDIS is blue:
There's a man inside,
With his hearts torn in two.