Sibawayhi's book al-Kitab was the first formal and analytical Arabic grammar. It is a groundbreaking work. Some background
What role did the Bedouins play in creating Arabic grammar? A big one. There are many anecdotes about scholars who went deep into the desert to find Bedouins who could answer their questions about Arabic grammar.
TV shows in Classical Arabic (Fusha) with English subtitles are rare. Omar about the famous Caliph and the Imam about Ahmad bin Hanbal are two good examples.