Ray Charles Ft. In The New Bill Cosby Show (1972)

Ray Charles was part of the episode of The New Bill Cosby Show that was first aired by CBS on 11 September 1972. Archival Television Audio (ID #4115) at least has the audio part of the footage. See more set photos here.
According to an announcement in Jet, Ray and the Raelettes were also featured that year in the New Bill Cosby Show aired on 25 December.
According to the tv guide page in The Citizen-Advertizer (Auburn, NY) from 30 October 1972, Ray Charles was "Cosby's special guest, backed up by Quincy Jones, Charles delivers America The Beautiful, Look What They've Done To My Song, Ma and tries sketch material with Cosby visiting Quincy Jones's shooting gallery."
The Ludington Daily News of 22 December 1972 also mentioned that Ray's music was backed by the Quincy Jones Orchestra, listed that he also performed Hit The Road Jack.

The footage is waiting to be discovered somewhere in Cosby's secret vaults.