This story sees the role of popular companion, Sarah Jane Smith, originally played on TV by Elisabeth Sladen, taken up for the first time one audio by her daughter, Sadie Miller.

A new six part adventure for the Doctor, Sarah Jane Smith and the Brigadier, as they encounter an alien space messiah. His name is Kaleidoscope. He claims to have travelled halfway across the universe to warn all humankind that it stands on the brink of extinction. And a certain tenacious young journalist has got an exclusive interview with this alien messiah… But it’s not Sarah Jane Smith who’s got the out-of-this-world scoop – it’s her rival, the unscrupulous Jenny Nettles. Sarah’s busy helping the Doctor and UNIT work out if Kaleidoscope is for real or a fake when RAF...