Ooh sha la la...Nurse Cerys pulls mysterious objects from somebody's cavity...

A microphone...

A glitterball....

On discovering the foreign objects, Cerys decides to take off her uniform...

To reveal a sparkly cowgirl costume...

She puts her pistol in place...

Dives forward...

And catches her hat...

Fully transformed, some transvestite nurses look on in astonishment...

Cerys gets up on stage...

And performs a dance routine...

As the patients lie in bed...

The transvestite nurses join in...

And the band...

Look on in boredom...

Before giving very low scores...

The nurses brigade continue dancing...

But the band are still not amused...

A Japanese doctor approaches a patient...

Ducks under the bed...

And emerges in her party gear...

A flash of light...

And the doctor has changed again. The patient and her start to dance...

She gets a bit excited...

Meanwhile, Cerys continues to dance...

And the band look on as Aled holds up a sign in Welsh...

As the cleaners mop the floor...

They decide to join in too...

They also start dancing...

And another patient sings into a microphone...

And changes in a puff of smoke..

And so the video ends...

With the entire ward singing and dancing.