The World: A Television History Channel 4 1983-85

My first post ! This 26 part series on the History of the World based on "The Times atlas of world history" inspired me as a child but I've never seen it since. Narrated by Robert Powell and broadcast by Channel 4 from May 1983 to Oct 1985. Music by Hans Zimmer ( yes that Hans Zimmer) . Synopsis here https://www.thetvdb.com/series/the-world-a-television-history/allseasons/official

Note the whole series has been uploaded to YouTube but its an Americanised version from TLC, without the dulcet tones of Robert Powell.

Creators: Channel 4, Landmark Films, Goldcrest Films and Television, Network Television

I've found a British version of one episode on YouTube https://youtu.be/vUlu8hK_sKk

Any suggestions on where to watch the whole [British version] series again ? "( I am based in Australia now)
TIA