Here is an excellent channel featuring plenty of rare documentaries (most unseen since first tx).
https://www.youtube.com/@FHjsgy7bm
Waddington, Lancashire: The Television Village.
Here is a compilation of abridged moments from the series where Granada turned a small village into a technological hub for a week.
Burp! The Ice Cold War: Pepsi vs. Coke, by the late John Pilger, deviating from his usual subjects to this more light-hearted topic.
Whicker's World: Let's Have an Airport (1968). Alan Whicker looks at the workings of Leeds-Bradford Airport.
Storm in an Eggcup - part of BBC2's TV Hell night (31/8/1992), the history of TV-am, one of the most interesting in television history.