In the dodge ball scene, why is Buffy the only student wearing a strappy top when all the others are wearing t-shirts?

If you look closely at the shot from outside the school early on in the episode (and use your zoom button on your DVD player!) you can see that the shot was actually taken from Teacher’s Pet. Willow can be seen sitting on a bench wearing a red t. shirt …

At the end of the episode, when Buffy and Owen are talking, you can see a woman in a red and black checked jacket carrying a red bag standing behind Buffy several times. She can also be seen behind Owen, and walking up the stairs a couple of times.

When Buffy reaches out to grab her pager, there is nowhere she could have picked it up from. Was it floating in mid-air? Buffy also never uses the pager after this episode. She gets one when she joins the Initiative in season four’s The I in Team and says “I …

The inside bus lights are turned on at the first shot of the bus. When the scene cuts to the inside of the bus, the lights are off.

Buffy chops the giant preying Mantis to pieces with a machete. She then wipes the blade clean of insect goo on her trousers. We later see that her trousers are clean.

Ms. French’s sleeves move up and down her arms while she is making her insect sandwich. They are rolled down when she makes the sandwich and are then up when she eats it.

Why is the door open during Cordy’s private counselling session?

Buffy puts Dr. Gregory’s glasses on the table but they keep moving. In the long shots, the glasses are open and near the plastic box but in the close-up shot, they are closed and in front of a book on the right side of the table. In the final shot, …

When Miss French first comes to the school, Buffy and Willow are sitting on the wall talking to Xander. The parting in Willow’s hair is on one side, then when she and Buffy walk into the classroom in a continuation of the same scene, her parting has jumped over to …

Dr Gregory lectures to the class about ants. The slide on the screen as he’s teaching is of a tiger beetle.

In Xander’s dream, he ’stakes’ a vampire in the right side of the chest, not where the heart is. This could be seen as Xander’s extreme lack of biology knowledge though!

When Giles and Buffy arrive at Amy’s house, you can see that Giles’s car doesn’t have a front license plate.

When Willow fills the test tube with the yellow liquid in science class, the tube is filled half way but in the next shot, as she hands the test tube to Buffy, it is only filled a quarter of the way.

Why doesn’t the driver of the truck that nearly kills Cordelia try to stop? He even speeds up, then drives off after he’s hit the door of the Driver’s Ed. car!