Overview
- The special aired on BBC One at 8:15pm on Christmas Day and 8:30pm on Boxing Day and is now available on BBC iPlayer.
- The story splits between Poplar and a mercy mission to Hong Kong after a branch house collapse, blending festive moments with high stakes.
- Most regulars return with published cast lists, alongside notable comebacks and guest appearances that delighted viewers.
- Creator Heidi Thomas said the shoot faced rising typhoon warnings in Hong Kong, highlighting the production’s logistical challenges.
- The BBC confirms series 15 begins on 11 January 2026, with further seasons, a feature film and a WWII‑era prequel planned, and no traditional Christmas special in 2026.