The paragon of cult classic television, Joss Whedon's 7-season show "Buffy the Vampire Slayer" spun out not only a long-running spinoff, but a complete universe that fans continue to discuss. Even several academics have written about "Buffy" as it related to a variety of topics. These facts may still surprise even the most devout of viewers.

Casting Choices
Casting Choices
Sarah Michelle Gellar originally auditioned for the role of materialistic cheerleader Cordelia, but creator Joss Whedon insisted she would be better as Buffy. Another Whedon favorite, Nathan Fillion, originally auditioned for the role of vampire Angel. Ryan Reynolds was originally offered the role of nerdy sidekick Xander.
Late Graduation
Late Graduation
Charisma Carpenter, who played Cordelia Chase, was 27 years old when the show first aired. This made her one of the oldest actors to ever play a teenager.
Willow’s Fangirl Dreams
Willow’s Fangirl Dreams
In one episode, Willow states that she used to write fanfictions about Doogie Howser. The actress that played Willow, Alyson Hannigan, went on to star opposite Neil Patrick Harris in the beloved series “How I Met Your Mother.”
"I'm Spike, ya'll"
After seasons of hearing Spike’s convincing British accent, you may assume the actor James Marsters is from England himself. Marsters is actually from California, and he originally auditioned for Spike with a Texas drawl, but producers decided a London accent would better fit the character.
A Wish Come True
A Wish Come True
The character of Anya, a vengeance demon that grants wishes with devious twists, was originally only meant to appear in two episodes. However, the character was so popular that she was soon upgraded to a series regular. Ironically,the original actress for the role actually turned it down on the grounds that the character wouldn't get enough screen time.
Family Affairs
Family Affairs
Buffy’s family — her mother Joyce and her sister Dawn — were never supposed to be seen. Whedon soon realized this idea might be a stretch for viewers due to the constant trouble Buffy gets into. Dawn was also supposed to be telekinetic and be able to speak to the dead, but these powers were thrown out to more normalize her.
Angel’s Goofy Side
Angel’s Goofy Side
David Boreanaz, who played brooding vampire Angel, had a habit of pulling his pants down between scenes to see if the other actors could keep a straight face and not break character. He was also known to improvise his lines very often.
Faith’s Faith
Faith’s Faith
Eliza Dushku, who played the rebellious slayer Faith, is Mormon, which caused a conflict of interest while filming the controversial sexual material on the show. While the character Faith has no problem flaunting her sexual liberty, Dushku refused to do any revealing scenes.
Tongue Tied
Tongue Tied
Nicholas Brendon, who played Xander, grew up with a stuttering problem that severely affected his social life. Brendon decided to get into acting in an attempt to overcome the problem.
Lasting Love
Lasting Love
Seth Green and Alyson Hannigan already had experience with on-screen dating when their characters Oz and Willow got together. The two played boyfriend and girlfriend earlier in “My Stepmother Is an Alien.”
A Gay Old Time
A Gay Old Time
Whedon knew that he was going to have either Xander or Willow come out as gay later in the show’s run, but didn’t know which. He finally decided to make Willow gay, and she became one of the earliest representations of a lesbian character in media.
Double Trouble
Double Trouble
Buffy, Willow, and Xander each have an episode where they interact with an identical double. Stunt doubles and optical effects were used to create Vampire Willow and Buffy-Bot, but when Xander is split into two the show used Nicholas Brendon’s twin brother Kelly for the part.
Name Change
Name Change
The character Jenny Calendar was originally named Nicki Calendar. Her name was changed in order to avoid confusion on the set, since the cast would routinely call Nicholas Brendon “Nicky.”
A New Home
A New Home
After Whedon’s show “Firefly” was cancelled after one season, he incorporated the actors into his other shows. Nathan Fillion became a villainous preacher on “Buffy,” Gina Torres and Adam Baldwin joined the show’s spinoff “Angel,” and Alan Tudyk became a supervillain on “Dollhouse.” Whedon first thought the move would seem “incestuous and weird,” but decided to go ahead with it assuming no one actually watched “Firefly.”

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