Episodes 3 and 5 are private and inaccessible. At least to me.
Strange. They are to me too. They weren’t before.
In any case, try them here:
Liberty! The American Revolution Part 3
(EPISODE 3: The Times That Try Mens Souls 1776-1777)
https://www.youtube.com/watch?v=iSAtHAb1xC4
Liberty! The American Revolution Part 5
(EPISODE 5: The World Turned Upside Down 1778-1783)
https://www.youtube.com/watch?v=suiPcydMBd8