Conversation so far:
What is Moss conection to popular culture?
During his driving career, Moss was one of the most recognised celebrities in Britain, leading to many media appearances.
Why was he recognised?
many media appearances.
Are there any other interesting aspects about this article?
As related in the book The Life and Times of Private Eye, Moss was the subject of a less than respectful cartoon biography in the magazine Private Eye.
How did Moss react to this?
According to the book, Moss responded by offering to buy the original of the cartoon.
And was his offer accepted?
an outcome the book describes as "depressingly common" for its satirical cartoons about famous people.
In what other media did Stirling Moss appear?
Moss is the narrator of the popular children's series Roary the Racing Car.

Question: When did he become the narator of this series?
Self-contained rewrite: When did Stirling Moss become the narator of Roary the Racing Car?