Adam confronts Spike in his crypt during the daytime. There’s lots of sunlight around, yet Spike doesn’t dust.

When Willow leaves her dorm room to brush her teeth, hardly any time passes between when she leaves and when Tara knocks on the door. They should have seen each other in the hallway.

In the scene after Willow and Oz have been up all night, Oz’s necklace keeps moving around, even when he’s not moving.

How could Riley pull out the chip so easily, especially if it was lodged behind his heart?

When Buffy pulls Adam’s uranium core out, she holds it horizontally. In the next cut, she’s holding it vertically, and then horizontally again.

During the first fight sequence, we see a soldier flipped over a railing into The Pit by a demon. He lands on a giant, metallic-plastic-covered cushion that rises around him like a big pillow - giving away that it’s actually a stunt mat.

When Anya comes to visit Xander, his blanket repositions itself several times.

Why do the Scoobies provide a gravestone for Buffy if they wanted her death kept quiet? (This information is discovered in the episode Bargaining).

When the camera pulls away from Buffy and Dawn, we can see that Dawn’s feet have no blood on them, though there was blood all over them earlier.

When Spike’s stuntman (Steve Tartalia) falls from the tower, his shoes are white, but Spike’s shoes are black. The stuntman also wore blue jeans, but Spike’s jeans are black. His outfit is all black when he lands on the bricks.

When Murk says “This will be our day of Glory!” You can see the padding on his chest, ready for when he gets shot with a crossbow.

The symbol on Dawn’s forehead disappears when Dawn tells Glory that Buffy is able to handle being human.

In season two’s Killed By Death the young Buffy had dark hair, as did the Buffy in Dawn’s memory in Blood Ties. But in this episode, the little girl playing Buffy has blonde hair.

When Buffy is fighting the knights on top of the Winnebago she is wearing flat shoes. When she talks to the Byzantium leader, she is wearing high-heeled boots.

The face of Sarah Michelle Gellar’s stunt double can be seen clearly several times on top of the Winnebago.