In I Robot - You Jane, Xander refers to the Beatles song “With a Little Help from My Friends” when Buffy says that Dave’s death looked like suicide. The song is from the 1967 album Sgt. Pepper’s Lonely Hearts Club Band Band.
In Out of Mind, Out of Sight, most of Marcie’s text book at her new school is not actually about ‘Infiltration and Assassination’, as the chapter suggests. Most of it is either nonsense or devoted to the Beatles’ “Happiness is a Warm Gun”.
In What’s My Line? (Part 2), Xander says, “I am the bug man, coo coo ka choo.” This is a reference to The Beatles’ psychedelic song “I Am The Walrus” (1967) which contains the line, “I am the eggman, they are the eggmen, I am the walrus, goo goo g’joob.”
The episode The Yoko Factor is named after John Lennon’s wife Yoko Ono, who was widely believed to have been the catalyst for breaking up The Beatles. In that episode, Spike explains this to Adam, who replies, “I like Helter Skelter” (a Beatles song).
