Glen's guests are John Wayne, Carol Burnett, Tim Conway and Three Dog Night. Musical Highlights: Glen & Jerry perform "Take Me Home Country Roads". Glen sings "Sooner or Later", "Tenderly", "He Ain't Heavy, He's My Brother" and "Home Again". Three Dog Night & Glen perform "Joy To The World". Carol Burnett & Glen duet on "Close To You". Mike Curb Congregation perform "Put Your Hand In The Hand". Jerry Reed sings "KO KO Joe". Three Dog Night perform "Mamma Told Me (Not To Come)". John "the Duke" Wayne jokes around with Glen, and appears in comedy sketches with Tim Conway. He shows Glen some of his personal movie memorabilia, including the rifle he used in "Stagecoach", his cavalry costume from "She Wore A Yellow Ribbon" (which he tells Glen was his favorite role,) and his famous Green Berets uniform.