The Regeneration Game was the printed title of a comic story in It's Bigger on the Inside!. Like several other entries in the book, it did not feature any characters from the Doctor Who universe as such, instead featuring an imaginary anecdote about the filming of Doctor Who. It is thus not considered a valid source by this Wiki.
Summary
As the regeneration from the Sixth Doctor to the Seventh Doctor is about to be filmed, John Nathan-Turner asks Sylvester McCoy to squeeze himself into the Sixth Doctor's costume. As it turns out, he is already in there, but the size difference between him and the costume's previous wearer is so great that McCoy is invisible under the pile of colourful rags…
Characters
References
- Sylvester McCoy wearing the Sixth Doctor's costume is specified in the script.