The busiest day in Heathrow's history sees over 20,000 passengers pass through the airport. Karen Jones has to control the Terminal 3 crowds, and Ghana Airways'Eben Twum-Barima has more people at check-in than he can manage.

A special edition of the series about life at Heathrow airport which focuses on some humorous moments which have featured in the past five series.

Tonight, newcomer Maria, from Cyprus Airways, gets to grips with a superstar.