Stories Audio Drama The Seventh Doctor Adventures Catastrophix 1 image Overview Characters How to Listen Quotes Overview Releasing on Tuesday, June 10, 2025 Written by Lizzie Hopley Publisher Big Finish Productions Time Travel Present, Future Location (Potential Spoilers!) The Lake District, Earth Synopsis Harry Sullivan and Naomi Cross are on Earth at two different points in a timeline that has gone badly wrong. Back in his own time with UNIT, Harry is in the Lake District, unaware of the horrors to come. Four decades on, Naomi is adrift on an ocean in an apocalyptic nightmare. What is causing the Earth's unnatural end? As the Doctor scours the years, he meets someone from his past with the tools to help - a mechanic called Ray. Skip Skipped Unowned Owned Owned Save to my list Saved Edit date completed Custom Date Release Date Archive (no date) Save Characters Seventh Doctor Sylvester McCoy Harry Sullivan Christopher Naylor Naomi Cross Eleanor Crooks Ray Sara Griffiths Show All Characters (4) How to listen to Catastrophix: Big Finish Audio The Seventh Doctor Adventures: Past Forward Quotes Add Quote Submit a Quote