2012
Easter Special
Autumn – Series 7 Part 1
Christmas Special2013
Spring – Series 7 Part 2
Autumn – Series 8
Christmas SpecialWhat this means is a Easter Special for 2012, Series 7 Part One in the Autumn of 2012, a Christmas Special 2012, Part Two of Series 7 in Spring of 2013, the ENTIRE SERIES 8 in the Autumn of 2013 and a Christmas Special in 2013! Meaning 20 Episodes for 2013 and a Christmas Special for the 50th anniversary year!
(Source: facebook.com)
these numbers are accurate for once

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