The trailer is now online for the fourth series of Jago and Litefoot, which is out in March.
Listen out for clips from each of the four stories, with teases of Jago's new love Abigail Woburn, the dangerous Mr Gadd, the train ride to nowhere, Professor Dark... and the mysterious Mr Kempston and Mr Hardwick.
Jago and Litefoot - Series 4 stars Christopher Benjamin, Trevor Baxter, Louise Jameson and Colin Baker and is available for pre-order now.
Nick Briggs and Benji Clifford present the Big Finish News, Listeners' Emails, Randomoid Selectortron... everything you need to know about the audio world of Big Finish. Special guest: Christel Dee (presenter of Doctor Who: The Fan Show).