Other: At the end of the opening credits, you can see Angel's reflection in the puddle on the floor. Since he is a vampire, this should not happen.

Other: In the last scene of the episode, Angel kicks the guy out of the glass building. This guy's a vampire, and you can see his reflection in the glass windows. Vampires aren't supposed to have reflections.

Other: In the scene when Angel runs after the barman towards the end, after the barman has tried to pass on the demon to Kate and Angel stopped him, there is a mirror, and when Angel runs past it, he has a reflection.

Continuity: In the season one episode 'I Will Remember You' when Buffy and Angel are talking in the sewer Buffy's hair goes from being just a few strands over her shoulder to having a whole side over it, and back again.

Continuity: In the final fight, Angel gets stabbed on his right side. In the slow-motion bit before his opponent chooses not to fight any more, the wound switches to his left for one shot.

Continuity: When Wesley is explaining that Angel feels like he doesn't belong in the world, the amount of donut he's holding changes.

Continuity: In Season One Finale, "To Shanshu in LA" when Wes is lecturing Cordy on wants and desires, the number of bites taken from the doughnut changes, in one instance it breaks in half, most visibly when Wes takes a bite from Cordy's doughnut on the angle change.

Other: In "To Shanshu in LA" in season one, as Angel is pulling out of parking lot to follow the W&H Trucks, you can see his reflection in his rear view mirror (vampires have no reflections). Also odd that throughout the first season the rear view mirror is removed in some episodes.

Continuity: In the season one finale "To Shanshu in LA," near the end Angel is fighting Vocah in the mausoleum and Angel rips off Vocah's mask, revealing the maggoty face underneath. In subsequent shots of Angel from behind Vocah, you can still see the edges of the mask on his face.

Revealing: When Angel and co. are at the gym, Angel's reflection is visible in the mirror.

Continuity: When Cordelia is bandaging Angel in the hotel lobby, she puts two pieces of tape on him: one at the base of the gauze and one over the wound itself. When he takes his shirt off in his room, he only has the one at the base.

Continuity: When Angel is talking to Darla on the phone there is a shot of Cordy, Wes & Gunn and you can see Cordy unfold her arms but when it goes back to Angel you can see her arms folded again.

Other: In the episode "The shroud of Rahmon," when Angel changes into his vampire face, his teeth don't change into fangs.

Revealing: When Angel spins his car around after Cordelia's vision, there are skid marks on the road from previous takes.

Continuity: When Cordelia and Harmony are on the couch talking and drinking, the towel on Cordelia's head goes from on her shoulder to behind in the change from wide to close up.

Continuity: When Harmony enters Cordelias bedroom, the strap on Corelia's shirt falls off her shoulder and then magically is back in place after the angle change.

Other: When Harmony spills her pig's blood on the keyboard, the computer shorts out, and the monitor flickers off, but the mouse cursor is still visible.

Other: At the very end, as Angel walks out the door he reflects in the panes of glass on the door.