Up to this point in the series, the doors to the library have always opened inwards, and there are only handles on the inside. When Xander pulls a bookcase across the doors to barricade himself in, Buffy easily opens the door outwards.

After Xander finds out that Amy’s spell went wrong, he takes Cordelia and runs out of school with her, during the day. They head to Buffy’s place, but when they get there it is night.

When Drusilla pushes Buffy’s door down, her hands go into the house - but Drusilla was never invited in.

Many people think it is a goof that Angelus got into Giles’s apartment to place Jenny’s body there in Passion. It’s true we’ve never seen Angel in Giles’s apartment but that doesn’t mean he’s never been there.

Vampires need no invite into public buildings, so why does Jenny ask Angel how he got into the school?

Why is there an unlocked door leading to the basement from the children’s ward? It seems to be very irresponsible.

When Buffy first looks into the children’s ward, there is no blue sign on the basement door, but when then in the next shot it is clearly visible.

Ryan says Der Kindestod comes at night, but in the flashbacks, Celia seems to have been killed during daylight.

When Buffy and Angel are kissing Buffy is holding Angel at the waist but then in the next shot she is holding her hand by his neck.

The first time the Scoobies come out of the school and stand back to look at what has happened, you can see that Buffy is hugging Xander. Later on when Buffy has already entered the school, the rest of the gang gather outside and try to figure out what they …

In I Only Have Eyes For You, Willow refers to Jenny Calendar’s lesson plans “on her computer” - Angel destroyed her computer before he killed her two episodes earlier in Passion.

When the yearbook in Snyder’s office falls off the shelf, it lands open. When Buffy reaches down to pick it up, however, it is closed.

When Buffy is at the Bronze we see her drinking from a red cup. We then see a shot of her and the red cup is on the table. In the next few shots the cup has disappeared.

When the board at the Bronze is first seen, it is blank, but when Buffy rushes out to find Angel, it reads ‘DJ 2NITE-NO COVER’.

While Buffy is ’stalking’ Gage, she is reading a magazine. At first the back of the magazine is white, in the next shot it’s black. It appears she had it upside down and flipped it between shots.