Characters
Don't forget, when you stir the Christmas pudding, make a wish.
— Eric · Do Not Adjust Your Set

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker reminds someone of a festive custom: stir the Christmas pudding and make a wish while doing it. The tone is friendly and instructive, treating the stirring as a small moment of hope. It is a seasonal tradition offered as a cheerful reminder.
Context reviewed