Katherine is a station in Australia.
Whilst visiting Australia, Thomas helped to evacuate the town of Katherine from an approaching cyclone. He also brought Madeline and her parents to the town to be reunited with their family later that Christmas.
It is likely to appear in the twenty-third series.
- Katherine is a town in the Northern Territory of Australia. In real life, it has two railway stations; the closed "Old Station" of the former narrow gauge North Australia Railway, and a modern standard gauge station of the Great Southern Railway.