Somebody spent a small fortune trying this a while ago with disliked results https://nypost.com/2025/04/13/entertainment/ailing-doctor-wh...
They seem to have been pleased with the results:
> “It has to be worth it for the pleasure it’s brought me to see them,” Levine said. “Doctor Who runs all night in my bedroom, complete, nothing missing.”
They animated a lot of the missing pieces of the missing episode Shada with excellent results. If AI could do something of similar quality that would be wonderful.