Brambly hedge had an American dubbing. It is most likley partly found and only US episodes found are
Autumn Story https://www.youtube.com/watch?v=ecx6GvMR4wQ&t=30s
Winter Story https://www.youtube.com/watch?v=jDgaf0L8yok&t=17s
The Celebrations of Brambly Hedge https://www.youtube.com/watch?v=4fkIuaFHF9M
The Mice of Brambly Hedge https://www.youtube.com/watch?v=iHT01BQybGI&t=15s