Buffy goes to the counselor to secretly tell him about Angel - so why did she leave the door open when any of her friends could hear her talking?

When Buffy finds Angel for the first time, he’s wearing just a pair of trousers. Buffy then chains him up, but when she returns to visit him later in the day, he is wearing boots. Where did he get them from?

When Buffy first sees Mr. Platt, there are several shots of her in which her cardigan is sometimes open and sometimes almost buttoned up.

The Scoobies think Oz-wolf may have escaped, and killed - do they really believe that Oz, in werewolf form, escaped through the open window in the library, killed the student, and then climbed back in the window to be there in the morning?

The bullet that hits Tara is all wrong. Firstly, Warren doesn’t shoot towards the house. Secondly, if he had fired in that direction, the bullet would have gone up, though the window, then changed direction to hit Tara. Lastly, the exit wound looks like the bullet should also have hit …

Warren fired four shots before the one that hits Tara. She and Willow are smiling at each other throughout this. Didn’t they hear the shots?

Tara and Willow hug in the bedroom, then Tara sees Xander. There’s no way she could have seen him from the position she was standing in.

You can clearly see Warren’s stunt double when he fights Buffy.

When we first see the armoured car, it seems to be night time, but when Warren tries to tip the car, it is dusk.

When Spike and Buffy are in the bathroom you can briefly see Spike’s foot in the reflection of the mirror.

Anya is trying to get the Scoobies to make a wish against Xander but in some scenes she’s not wearing her vengeance demon necklace. She can’t make a wish without it. She is sometimes wearing the necklace underneath her red top, and sometimes not.

When Tara releases Willow and Dawn from the ropes, Dawn’s tape has disappeared from her mouth, though Willow’s is still there.

After Buffy locks Xander in the basement, she locks the door. You can see she has the key upside down when she locks it.

Spike gets mad at Buffy and leaves the room. When Buffy tries to kill the Scoobies, Spike is not in the house - so he must have gone outside in the middle of the day.

The demon pretending to be Xander says that he was a victim of one of Anyanka’s spells many years ago. In The Wish, when Giles destroyed Anyanka’s power centre necklace, he said it would return her to human form and reverse all the spells she has granted - so the …