Journey Into Thailand: The Long March South (1982) (no video link)
Thailand -- History -- To 1782.
Thailand -- Religious life and customs.
Thailand.
Spirit of Asia (Cambodia: God Kings of Ankor, India: The Story of Rama, Burma: The Haunted Land) - David Attenborough (presenter) (1981) (no video link)
India--History
Cambodia--Civilization
Burma--Civilization