92 in stock online and more in store. These are used and there is a minimum order value of £2.00 for online sales.
Series 2 and 3 are also available for 50p and £2 respectively. The two comic relief releases are 25p each.
Some good entertainment for such little money. These episodes were in the charts in iplayer recently, so clearly people still watch it.
EDIT: Now instore only for series 1.