River of Doubt, Roosevelt's Amazon Expedition
I think this is what Boddicker referenced in this month's Trappers Post. He said it was on public television but this is from the history channel. Get it while it's hot (err....exists):
Update 03/09/2019 17:55 NYT:
Found possibly what he saw on public TV (in two parts).
Playlist from which they were derived, containing other videos as well: