According to the Sunnydale High Yearbook the chocolate sale earned $600,000 for the band.
The accent used by Anthony Head for Young Giles is not his own accent. Head's accent, while not as upper class as Giles's, is a much more refined Southern accent. The accent he uses for the younger Giles is a real working class London accent.
Kristine Sutherland has often named this as her favorite and most fun to film, along with Ted (1997), When She Was Bad (1997) and Innocence (1998).
The tattoo Giles got when summoning the demon Eyghon in his youth (mentioned in Season 2's The Dark Age (1997)) is visible on the inside of his left forearm.
When she and Willow find their teachers at the Bronze, Buffy makes a reference to the song "The Time Warp," from "The Rocky Horror Picture Show." Anthony Head played Frank N. Furter in the 1990-91 West End revival of that show at London's Piccadilly Theatre.