P509 CEEFAX 1 509 Wed 25 Dec 19:44/21 1/2 MERRY CHRISTMAS EVERYONE! STAY TUNED AND SEE OUR ADVENT CALENDAR GROW! Newsround Showtime Switch On The BoxP509 CEEFAX 1 509 Wed 25 Dec 19:41/47 ADVENT CALENDAR PRESS REVEAL! * * * * H A P P Y * * * * X M A S ! * Newsround Showtime Switch On The Box