Adam Busch, who played Warren, talked to Entertainment Geekly about playing a nerd:
“I had to do a lot of research and find out how to play Dungeons and Dragons. The first scene we ever shot together - me, Danny and Tom - was that first shot, when we sat …

Joss Whedon mentions in his DVD commentary for Hush the use of the ‘extra characters’ in the scene where people’s voices are being stolen by the Gentlemen. He points out that it takes a lot to film a three-second piece like that - you have to cast someone, then build …

Having filmed all twelve episodes of season one before any were transmitted, the Buffy cast and crew had no idea how popular the show would turn out to be, or if they would be called back to film more episodes. Anthony Stewart Head even returned to the UK to play …

When Danny Strong performed the scene in the Bronze in Superstar where Jonathan sings, he was apparently very sick with the flu.

Both Nicholas Brendon (Xander), and Ara Celi (Ampata), had to eat up to ten twinkies each for the scene in when they are eating lunch in Inca Mummy Girl.

In the episode The Body, Xander punches his hand through the wall after Joyce’s death. Joss Whedon mentions in his DVD commentary for the episode that Alyson Hannigan was allergic to the plaster dust and her right eye and face swelled up. She had to be taken to hospital, but …

Amber on the episode Seeing Red:
“There’d been hints that we were going to have some sort of love scene, but I didn’t really understand what the extent of that was going to be until I went in for a wardrobe fitting and Cynthia, the wardrobe supervisor, said, ‘Now, what kind …

Joyce died of an aneurysm, which is coincidental as Kristine Sutherland’s own mother once had an aneurysm. Kristine believes that Joss Whedon wasn’t aware of it when he wrote the scene:
“At one point, after Joyce had the brain surgery, people had the idea that I would have my head shaved …

In Chosen, Spike is jealous of Angel, after seeing him kiss Buffy. We see him punching a bag with a crude drawing of a spiky-haired vampire on it. Joss Whedon mentioned on his DVD commentary for the episode that he drew the picture as a spur of the moment joke.

David Boreanaz said of filming the Angel/Angelus fight scene in Orpheus:

“That was a probably one of my top five episodes, that one. The filming was all split. They were using a double, but I did all of my dialogue back and forth to the double, with myself.

[To do] all of …

Giles and Anya kissed in the episode Tabula Rasa. Anthony had the following to say about the experience:
“My children went, “Eeuuww. You kissed Anya.” “I know, but it was gone very quickly and we didn’t enjoy it.” Thank God nobody ever asked me to kiss Alyson, because that would …

The scenes between Willow and Giles in the episode Lessons were actually filmed on location at Anthony Stewart Head’s house in England. They were directed by Joss Whedon. The place is named as Westbury in the show, but he actually lives near Bath in Somerset. Westbury is in Wiltshire and …

In the season four DVD commentary for Wild at Heart, Seth Green, Joss Whedon, and Marti Noxon mention the frequent appearances of the extra they call “Asian Dan”. He can also be seen in the episode Earshot.

Drew Goddard spoke in his DVD commentary for the episode Selfless about the scene in which Anya and Olaf speak in Swedish. He said the scene was translated into Swedish and was originally supposed to be dubbed over with English. Emma Caulfield (Anya) and Abraham Benrubi (Olaf) were given the …

The explosion scene in Graduation Day (Part 2) was filmed at 5am in Torrance, California (where the show had been filmed for outdoor scenes the past three years). The sound and vibrations from the exploding set woke up many residents and set off car alarms, causing locals to ban any …