Some YouTube favorites of mine:
My favorite TDFs are '86, '87 and '89
This guy has them in English including Hinault's win in '85:
Chickasmith Cycling
You like Eddie Merckx?
Eddie Merckx: Stars and Water Carriers
Eddie Merckx
Great Moments in Cycling
DiabloScott has some cool stuff posted too
Here's a favorite of mine from the American scene of the '70s and '80s. An 8 hour compilation on 3 disks.
Red zinger/Coors classic where it all began
Hinault, Lemond, Hampsten, Davis Phinney, etc. and all the way back to George Mount and the Stetinas therein.