In an interview with the BBC, Anthony Head says this is his favorite, "because it was beautifully shot and a beautifully written one."
We learn that Willow's father is called Ira and is quite strictly Jewish. We also learn that she is the only girl in her family.
A huge fan of this series, singer Ed Sheeran sampled the track "Remembering Jenny" in his song "Afire Love". This show, itself, inspired the song.
In classic Buffyverse style, the writers and producers of the show retire the factory set by utterly destroying it.
In the American version, Angelus incorrectly says that the sign in front of the school, in Latin, is Formatia trans sicere educatorum, which means "Enter all ye who seek knowledge". In the Italian version, the correct line is used: Ingredit vos qui scienses querites.