Buffy says to Spike in Smashed, “Way to go with the keen observingness, Jessica Fletcher”. She’s referring to the lead character of the murder mystery series Murder, She Wrote. Jessica Fletcher was a murder mystery author who always seemed to be around to solve mysteries when those around her were …

The band Virgil perform ‘Vermillion Borders’, ‘Parachute’ and ‘Here’ at the Bronze in Smashed. Willow later magically transforms them into another group, Halo Friendlies, who play ‘Run Away’.

In Smashed, Willow tells Amy that Larry was gay (discovered in Phases) and that he died in the attack by the Mayor in the season three finale Graduation Day (Part 2). Larry’s death was never explicitly stated before this episode.

The Illuminata - the diamond the nerds stole from Sunnydale Museum in Smashed - was on loan from the British Museum, where Giles worked before becoming Buffy’s Watcher. Willow mentioned this in Welcome to the Hellmouth.

Buffy writer Drew Greenberg told the BBC his feelings when he discovered that Amy’s de-ratting storyline would be in his episode (Smashed):
“I was excited too because I’ve been a fan of the show from the first episode myself, even before I was even working on it, so I’ve been waiting …

The trio of nerds reveal some of their weaknesses in Smashed: Jonathan is allergic to methane and Andrew is afraid of hot things.

Rick Garcia, who played the reporter in Smashed, is the sports anchor for Fox 11 10 O’Clock News. He has played reporters on many movies and TV shows including Collateral Damage, Shadow of Doubt, Volcano, Talent for the Game, 24, The X Files, Sliders, The A-Team and The Fall Guy.

Jack Jozefson, who played the security guard Rusty in Smashed, has also appeared in Bruce Almighty, Trade Day, Almost Dead and Lonely Hearts.

Adam Weiner, who played Simon in Smashed, also played a caged guy in the Angel episode ‘Disharmony‘.

Elizabeth Anne Allen, who played Amy, had the following to say about reappearing on the show:
“This year it just happened to fall together really brilliantly. I was available, they had an open space in their storyline and voila! They asked me and I said, “Heck, yeah”. I love it. …

Michelle Branch sings ‘Goodbye to You’ in the Bronze at the end of the episode Tabula Rasa. The song is taken from her platinum selling album ‘The Spirit Room’. The song was also played in the UPN promotion for the episode Empty Places. The lyrics are:

Of all the things …

The epic 1939 movie Gone with the Wind starring Clark Gable and Vivian Lee is referenced a couple of times in Buffy. In Tabula Rasa, Spike says to Buffy, “we kissed, you and me all Gone with the Wind, with the rising music and the rising… music”. In The Killer …

In Tabula Rasa, Xander says, “I just got back the memory of seeing King Ralph”. This was a movie made in 1991 starring John Goodman.

In Tabula Rasa, Buffy tells Giles, “I can’t do this without you”. She made the same statement to her Watcher when Giles confronted Angelus after he murdered Jenny in Passion.

In Tabula Rasa, Spike/Randy comes to the conclusion that he’s a noble vampire with a soul because he doesn’t feel the need to bite Buffy and he helps her to attack the other vampires. Buffy/Joan says “A vampire with a soul? How lame is that?” little knowing that her ex-boyfriend, …