Episode list

80s London. WDC Ann Kelso is assigned to CID, helping to clean up the streets. But 'Ann' is really SSS Agent Anya Kingdom from the 41st century, on a top-secret mission to track down aliens hiding in the past. But then she finds a different group of aliens hiding in the Thames - with very deadly intentions.

As their investigations continue, SSS agents Anya Kingdom and Mark Seven journey to a planet colonised by Thals. They're in pursuit of a Thal scientist who has perfected an experimental new weapon - but soon they are the targets.

The lush planet Othrys is on the cusp of civil war. SSS agents Anya Kingdom and Mark Seven are meant to keep a low profile while on a diplomatic mission there. But when a pregnant surrogate for the Othryn royal family desperately asks for their help, they're unable to refuse.