91福利社

It's fair to say most people who have played video games are familiar with an Italian plumber called Mario and his brother-sidekick Luigi, who have been around since the 80s.

But with a new Super Mario Bros. movie out this month, what's the secret to the character's long-lasting appeal?

Today's Nick Robinson chats to technology journalist Louise Blain, and Keza MacDonald, video game editor at the Guardian.