Grain is never too harsh or problematic, and the 2.
The only grain seems to come during the images where the opening titles appear.
Tarah Nutter guest starred in a two part episode 'The Idolbreaker Part 1 and Part 2' of Eight Is Enough which originally aired in April 1981.
When the more promiscuous pairing of Tom and Beth takes off for some frolicking, there is soon no trace of them, making Sandy and Greg very worried.
From there, it all came back to me and digging even further there was added reason why this movie was long forgotten — it was never given a formal home entertainment release.
Another veteran of film and television, Sue Anne Langdon who around the same time was unforgettable in Charles B.