Angel revealed to Buffy that he was 241 years old in 2.02 Some Assembly Required. He also said this in 2.05 Reptile Boy. This means he would have been born in 1755 …

Many people think it is a goof that Angelus got into Giles’s apartment to place Jenny’s body there in 2.17 Passion. It’s true we’ve never seen Angel in Giles’s apartment but …

There have been a few occasions where Angel has fed from a human while he has had a soul:

3.21 Graduation Day (Part One) - Buffy
2.08 Shroud Of Rahmon - Kate
4.01 Deep Down - …

In 7.22 Chosen, Spike is jealous of Angel, after seeing him kiss Buffy. We see him punching a bag with a crude drawing of a spiky-haired vampire on it. Joss Whedon …

We get to see some more flashbacks to Angel’s earlier days in the episode 3.10 Amends, only marred by his really bad Irish accent and Tom Selleck-style moustache. We see him …

In 2.02 Are You Now Or Have You Ever Been, we see that Angel was staying at the Hyperion Hotel in 1952. At that time he was a loner, drinking human …

In 5.07 Lineage, Wesley’s father says of Angel,

“He’s a puppet. He always has been. To the Powers That Be, to Wolfram & Hart. Now he’s ours.”

In 5.14 Smile Time, Angel …

Angel is referred to as a ‘puppy’ on a couple of occasions:

In 3.09 The Wish, vampire Willow keeps Angel locked in a cage as her plaything, and refers to him as …

The following dialogue is from the end of the Angel episode 2.08 Shroud Of Rahmon:

Wesley: “Angel drank human blood, from a living person. - Something he hasn’t done in a very …

Is that a “perfect moment of happiness” in your pocket, or are you just pleased to see me? The vampire Angelus tortured and killed a gypsy girl, and was cursed …

The first true hint of a chemistry between Buffy and Angel developed as he gave her his leather jacket in 1.04 Teacher’s Pet - much to Xander’s annoyance. Buffy wore the …

Angel is shown to be fluent in several languages other than English throughout the show.

In 1.10 Parting Gifts, he speaks Chinese
In 1.16 The Ring, he speaks Spanish, Italian and Russian.
In 3.08 Lover’s Walk, …

The scenes of Angel’s mansion were filmed at the Ennis-Brown house in the Griffith Park area of L.A (2607 Glendower Ave). The Ennis-Brown house is an official city landmark. It …

Where does Giles get Angel’s phone number from in 1.12 Prophecy Girl?

In the episode 1.07 Angel, it appeared to be established that the restoration of Angel’s soul took place sixty years ago, or sometime in the 1920s. However, in 2.21 Becoming (Part One) …

The scene where Darla sires Angel was first alluded to in the episode 1.07 Angel. We see the scene in a flashback for the first time in 2.21 Becoming (Part One). Angel …

In 1.15 The Prodigal, once Liam has been sired, he returns home to murder his family, and his sister, believing he was dead, thinks that he has come back as an …

In 2.13 Surprise when Angel gives Buffy a Claddagh ring he tells her to wear it with the heart pointing inwards to show that you belong to somebody - like he …

Writer Mere Smith had the following to say about the Anne and Angel debate in 2.12 Blood Money:

“That was actually a big debate. Does Anne recognise Angel? …

The first song Angel first sings in Caritas in the episode 2.01 Judgement is “Mandy” revealing his secret shame - a love of Barry Manilow (”I think it’s kinda pretty”). He …