Museum of Broadcast Communication, US
This museum hosts a free archive of thousands of American tv and radio broadcasts in its archives. You can access them all online by creating a free and quick account.
Results for an arbitrary search of ‘Holocaust’ brings results for 16 full programmes, including the 1978 series Holocaust (NBC, starring Meryl Streep).
I continue to be staggered by the sheer volume of what is available to us if you just search a bit deeper!
Remembering Liberators 