The Groove Tube (1974)

A man (Buzzy Linhart) and a woman (Richmond Baier) go running in the woods and start removing articles of clothing until they're completely naked. The woman's breasts are seen bouncing as she runs. Her buttocks and pubic hair are very visible. No female genitalia are seen. The man's flaccid penis flops as he runs. His buttocks and scrotum are clearly visible also.

A woman (Jennifer Welles) removes her sheer bra and panties as part of a fake commercial. Her breasts and pubic hair are visible. No genitalia are shown.

A man (Berkeley Harris) and a woman (Rebecca Brooke) are seen on a grainy and jittery television screen as they undress slowly. The man's buttocks, the woman's breasts, and her pubic hair are briefly visible. No genitalia are seen.

A flaccid penis and testicles are dressed like the head of a puppet and dubbed over, and seen for a while including in closeup.

Eleven uses of "fuck", several uses of "shit", and one use of "faggot".

Cigarette and cigar smoking, and alcohol, especially beer, consumption in a few scenes.

One segment is a sitcom spoof revolving around drug dealers who sell marijuana. It is smoked and consumed in heavy quantities.