Tonight the fourth episode of the new series of 8th Doctor audio adventures airs. In tonights episode called The Skull of Sobek, there are Crocodiles, a Sanctuary and symmetrical blue dunes spell trouble for the Doctor and Lucie. This adventure will broadcast at 6pm on BBC Radio 7 and will later be repeated at midnight on the same channel. If you miss it you can listen to it for the next seven days from here after its original broadcast. The Skull of Sobek is also available on CD now at all good shops at the RRP of £10.99. The Skull of Sobek is written by Marc Platt and guest stars Art Malik, Giles Watling and Barbara Flynn.