Actress Olivia Colman reacted with joy as she received a Blue Peter badge, while her Paddington in Peru co-star Antonio Banderas appeared bewildered.
Presenter Shini Muthukrishnan awarded badges to the pair during an interview for the long-running British TV programme, which Colman used to watch as a child.
Watch as Colman receives the award and attempts to explain its significance to Spanish actor Banderas, who was unfamiliar with the tradition.
