INT. TARDIS - DAY

The TARDIS materializes with a shuddering wheeze. The doors creak open and the Doctor stumbles out, clutching their side in pain. They collapse onto the grating, panting heavily.

DOCTOR: (struggling to speak) Help...me...

Suddenly, the Doctor's body starts to glow with a bright golden light. The light envelops them completely, blinding the camera for a few moments.

When the light fades, the Doctor is lying on the grating, gasping for air. But something is different. Their hair is longer, their skin is smoother, and their eyes are brighter.

DOCTOR: (surprised and excited) Oh...oh my! I feel...I feel fantastic!

The camera zooms in on the Doctor's face as they grin widely, their eyes sparkling with joy and wonder.

DOCTOR: (voiceover) It's the regeneration, of course. Time Lords have the ability to renew themselves, to become someone new. It's a bit like shedding an old skin and growing a new one.

The Doctor stands up, stretching their arms and legs.

DOCTOR: (voiceover) Sometimes it's painful, but it's always worth it. You get a chance to start fresh, to see the universe in a new light.

The Doctor looks around, taking in their surroundings.

DOCTOR: (voiceover) And this time...this time I feel like I can do anything.

The camera pans out as the Doctor strides confidently towards the TARDIS, ready for their next adventure. The familiar wheezing noise starts up again as the doors close behind them.

FADE TO BLACK.