Visitants (audio anthology)

Seabird One was a full cast audio anthology released in December 2022 by Big Finish Productions.

Publisher's summary
The countdown to the millennium begins. New dangers face Brigadier Winifred Bambera, Sergeant Jean-Paul Savarin and Dr Louise Rix – some manmade, some uncanny, and some from beyond this world. To defeat them they must stand together...or there’ll be no tomorrow.

2.1. The Frequency by Tajinder Singh Hayer

2.2. Haunt by Lizzie Hopley

2.3. The Last Line of Defence by Robert Valentine