In Primeval, Spike says to Buffy, “Look at little Nancy Drew”. He’s referring to fictional teen detective Nancy Drew, whose stories were written by Carolyn Keene. Many books, TV shows, films and video games of the character have been made since the first book was written in 1930. Nancy was …

In Choices, Xander is reading Jack Kerouac’s 1957 novel On The Road, a stream of consciousness novel about a group of young people travelling across the US. This came into play in The Freshman, when Xander left for the summer for a road trip but ended up working in a …

The ritual the Scoobies would have used to destroy the Mayor’s box of Gavrok in Choices is called the Breath of Entropics. The spell includes the ingredients essence of toad and twice-blessed sage.

When the lights go out in the prisoner exchange scene in Choices, Angel says he can see fine, implying that vampires have good night vision. This doesn’t explain why Angel’s looking off to the side when the doors slam open though.

Willow says to Buffy in Choices, “And besides, I’ve got a shot at being a badass wicca.” She becomes a really badass wicca in season six.

Buffy and the Mayor meet face to face for the first time in Choices, though they were in the same room in Band Candy and Gingerbread.

The Mayor gave Faith an intricate knife as a present in Choices. She used it to kill one of the Gavrok spiders and Buffy then took it away. Buffy stabbed Faith with the knife to try and cure Angel in Graduation Day (Part 1), then taunted the Mayor-snake with it …

The Mayor shakes up Buffy and Angel’s relationship in Choices by making a speech about how he saw them:
“What kind of a life can you offer her? I don’t see a lot of Sunday picnics in the offing. I see skulking in the shadows, hiding from the sun. She’s a …

Jimmie F. Skaggs, who played the courier in Choices, has also appeared in Catch Me If You Can, Hollow Man, Pink Cadillac, Dragnet and Lethal Weapon. He has made appearances on TV shows including CSI, Curb Your Enthusiasm, ER, Diagnosis Murder, Star Trek: Deep Space Nine, Miami Vice and The …

In Enemies a horned demon tried to sell Buffy and Faith the Books of Ascension. Faith later stabbed him to death to collect the books for the Mayor.

The gun Jonathan has in Earshot is made by “Sturm, Ruger and Company Inc. - Arms makers for responsible citizens.”

The school paper is called the Sunnydale High Sentinel, seen in Earshot. It has an obituary section (which Oz likes to read) and Cordelia checks it out for comments on the cheerleaders. The editor is Freddie Iverson.

In Earshot, Xander says Wesley has “Pierce-Brosnany-eyes”. Brosnan played James Bond.

Buffy reveals in Earshot that Principal Snyder has The Bangles song ‘Walk Like an Egyptian’ stuck in his head.

In Earshot, Giles and Wesley are still drawing a blank about the Mayor’s Ascension, despite Buffy and Angel’s attempts to get information from Faith in Enemies. They both confirm that the Mayor’s Ascension is not related to the ritual flaying of the demon Azarath.