The Christmas special , however , aired on Boxing Day 2010 .
The Christmas special , however , had some special guests including Marvin ( Louie Spence ) , who was a member of the Middlesbrough Swingers Association , and Su Pollard played herself as a guest star .
The Christmas special , however , aired on Boxing Day 2010 and had some special guests including Marvin ( Louie Spence ) , who was a member of the Middlesbrough Swingers Association , and Su Pollard played herself as a guest star .