Video: 'GRADYS KNIGHT & THE PIPS / I HEARD IT THROUGH THE GROPEVINE'

(Easter Sunday, March 29, 1970, 8:00-9:00 p.m. EST; during the Vietnam War) — Gladys Knight & the Pips performed “I Heard It Through the Grapevine” on tonight’s episode of the CBS-TV variety series The Ed Sullivan Show, filmed earlier this month at Brooke General Hospital in San Antonio and Fitzsimons Army Medical Center in Denver to entertain wounded Vietnam veterans.