Fred said he didn't care if Lamont's imported dashiki came from Haile Selassie's closet. Haile Selassie (1892-1975) was the Emperor of Ethiopia from 1930 to 1975. He is revered by Rastafarians as a messianic figure. Mention is also made of Spiro Agnew. When this episode first aired, Spiro Agnew (1918-96) was serving as vice-president under Nixon. He resigned in October 1973 from scandals stemming back to his years as governor of Maryland and was succeeded by Gerald Ford.
Fred mispronounces Lamont's new name Kalunda as Calender, Belinda and Columbo.
When discussing pantyhose, Fred sings the then-popular L'Eggs jingle and hints at Joe Namath's famous turn as a pantyhose pitchman for Hanes' Beauty Mist brand in 1973.
The magazine on the coffee table at the beginning (the one in front of Bubba) is a copy of Photoplay from June 1972.
Rollo is wearing a tradition African Dashiki, it is the same Dashiki worn by Michael Evans on Good Time in TOO OLD BLUES.