Buffy celebrates her 20th birthday in 5.13 Blood Ties. Her party comes to a staggering halt when Dawn discovers she’s the Key and freaks out. This isn’t the first (nor last) …

In 4.11 Doomed, Buffy says that she’s a Capricorn on the cusp of Aquarius, which confirms that her birthdate is somewhere between the 17th and the 20th of January. This corresponds …

Tara is the only Scooby apart from Buffy to have a birthday on-screen, which is seen in 5.06 Family.

Willow blows bubbles at Buffy’s birthday party in 5.12 Checkpoint, which she also did at Tara’s birthday in 5.06 Family.

Buffy celebrates her 21st birthday in 6.14 Older And Far Away, meaning she can now legally drink alcohol, though we saw her drinking in several previous episodes (2.05 Reptile Boy, 4.05 Beer Bad, …

Angel gave Buffy a Claddagh Ring for her 17th birthday in 2.13 Surprise. The ring depicts a heart and crown, held by two hands. It symbolises love, loyalty and friendship. The …

This was a test demanded by the Watcher’s Council to be performed on Slayers on their eighteenth birthday. The Slayer’s powers are secretly taken from her by her Watcher using …

Elizabeth Anne Allen, who played Amy Madison, told the BBC:

“[In the] season three [episode] 3.11 Gingerbread, I was being burned on a pyre. It was my birthday, and when they lit …

In 3.12 Helpless, we discovered that Buffy’s father Hank took Buffy to the ice capades every year on her birthday:

“Look, I know you guys think it’s just a big, dumb, …

Emma Caulfield told a group of Buffy fans at the Starfury Fusion Event (Blackpool, England, 2004) about practical jokes on set:

“If there was a practical joke to be played …

In 1.03 The Witch, Amy said about cheerleading tryouts, “How do I hate this? Let me count the ways.” This is a misquote from a love poem by Elizabeth Barrett Browning …

On Tara’s headstone, seen in the episode 7.04 Help, her date of death is shown as May 7, 2002, the date that 6.19 Seeing Red aired. Her birth date is shown as …

Joss Whedon was chosen to direct the 2007 movie version of Wonder Woman, but later stepped down due to disagreements over the script. Cordelia’s birthday cake in the episode 3.11 Birthday …

In 3.12 Helpless, Buffy states that she and her dad go to the ice show every year for her birthday. They didn’t go last year (in the episode 2.13 Surprise), and she …

Moloch sends Fritz details of Buffy via the school’s computer system in 1.08 I Robot, You Jane. We see two different versions of her school record on the computer. In the …