A clue to mine? Well, it's not Dr Who, and I didn't quote the whole thing, it sort of goes round in an endless loop, but here's some more starting from where the first part ended:

TI ti-ti TEEE, ti ti tee tee TEE TEE [rest] ti TEE TEE [rest] ti TEEE brrrrr
then repeat from start until the credits finish.

[HB] Juliet Bravo if I'm not mistaken.

Although, listening to it again I'm less sure...

It depends on how much of the counterpoint you're putting in...

Can I slip one in of my own?

Ya-da-di-dahh ya-da-di-dahh
Ya-da-di da-da-dahh
Ya-da-di-dahh ya-da-di-dahh
Ya-di-da-di-dahh
Wha-wa-waaar Wha-wa-waar
Wha-weee wa-warr
Wha-wah wha-wah
Wha-weee waa - wuf wuf
Ya-da-di-dahh ya-da-di-dahh
Ya-di-da-di-dahh
Body babom - Whee-whee

(Whole thing).