Nightmare Fuel: Unlike most movies about Omnicidal Maniac villains where their preferred method of wiping out all life on Earth involves nukes or plagues, this movie's method involves human beings getting forecefully turned into plants against their will, with really, really disturbing graphic effects shown (e.g. faces sprouting leaves, skin turning into bark, roots growing out of the body).
One-Scene Wonder: Bruce's first scene had her taking out an entire room full of rogue operatives, but it's all downhill for her quickly afterwards.
For the 1972 TV Series
Awesome Music: Elmer Bernstein is the last person you would expect to score a TV cop show. His theme music here is an urban funk-styled theme, with tenor sax and heavy bass, very much unlike the big sky scores he did for Westerns.
John Travolta in "Frozen Smoke". Travolta was rumored to have bought every print of the episode, to keep it from being shown again. This rumor was debunked, as TV Land ran the episode when they had the rights to the series.
Tyne Daly in "A Farewell Tree From Marly", "Time Lock", "Cliffy" and "From Out of the Darkness".
The Woobie: Willie. In the first season alone, he faced paralysis after being shot in the back, and was accused of manslaughter (in "The Bear That Didn't Get Up") and murder (in "Tarnished Idol"), both involving shootings in the line of duty. Later, he had an emotional breakdown from all the heartbreaking situations he saw on juvenile duty in the episode "Frozen Smoke".