In order of character appearances
David Boreanaz as Angel (22/22)
Charisma Carpenter as Cordelia Chase (22/22)
Alexis Denisof as Wesley Wyndam-Pryce (13/22) (Does not appear in "City Of" to "Hero")
Glenn Quinn as Allen Francis Doyle (9/22) (Does not appear in "Parting Gifts" to "To Shanshu in L.A.")
In order of character appearances
Elisabeth Röhm as Kate Lockley (9/22)
Christian Kane as Lindsey McDonald (5/22)
Stephanie Romanov as Lilah Morgan (5/22)
Thomas Burr as Lee Mercer (4/22)
Sarah Michelle Gellar as Buffy Summers (3/22)
Carey Cannon as Female Oracle (3/22)
Randall Slavin as Male Oracle (3/22)
Julie Benz as Darla (3/22)
J. August Richards as Charles Gunn (3/22)
Michael Mantell as Oliver Simon (2/22)
John Mahon as Trevor Lockley (2/22)
Eliza Dushku as Faith Lehane (2/22)
David Herman as David Nabbit (2/22)
Seth Green as Oz (1/22)
Sam Anderson as Holland Manners (2/22)
James Marsters as Spike (1/22)
Alastair Duncan as Collins (1/22)
Jeff Ricketts as Weatherby (1/22)
Kevin Owers as Smith (1/22)
List of Episodes
|Title||Original Airdate||Production Code||Number||U.S. viewers (million)|
|"City of"||October 5, 1999||1ADH01||1||1x01bla||4.8|
| Newly arrived in Los Angeles, Angel is befriended by a half-demon named Doyle whose visions lead him to a powerful vampire whose next victim just may be Cordelia Chase.|
Notes: First appearance of Doyle and Lindsey McDonald.
Crossover: Angel telephones Buffy but doesn't speak. Buffy takes this mystery call in "The Freshman", shown immediately before.
|"Lonely Hearts"||October 12, 1999||1ADH02||2||1x02||3.9|
|Angel tracks a demonic serial killer who must kill often, and who prefers hunting at a happening Los Angeles singles bar. He meets the undercover LAPD Detective Kate Lockley, who believes the killer is twisted but entirely human.|
|Unproduced version of "Lonely Hearts."|
|"In the Dark"||October 19, 1999||1ADH03||3||1x03||3.7|
| Angel receives an unexpected visit from Oz, who delivers a gift from Buffy. Spike also comes to town, bringing chaos and mayhem for all.|
Crossover: This episode continues a story begun in "The Harsh Light of Day", aired immediately before.
|"I Fall to Pieces"||October 26, 1999||1ADH04||4||1x04|
|Doyle has a vision of a woman in danger and Angel discovers she is being stalked by a neurosurgeon who has learned to detach and reattach parts of his body.|
|"Rm w/a Vu"||November 2, 1999||1ADH05||5||1x05|
|Cordelia finds a perfect apartment, but it's haunted by a murderous spirit who murdered her son in the apartment. The team expell the spirit, but Cordelia is left with the friendly spirit of the son who died. Doyle flees phantoms from his past.|
|"Sense & Sensitivity"||November 9, 1999||1ADH06||6||1x06||3.7|
|Kate is very good at her job, but her temper makes the LAPD brass send the entire department to sensitivity training. When Kate asks Angel to accompany her to a cop function, Angel begins to notice some extremely strange behavior.|
|"Bachelor Party"||November 16, 1999||1ADH07||7||1x07|
| Doyle's soon-to-be-ex-wife comes to town, but her demonic fiancé-to-be wants something more—personal—than merely Doyle's signature on divorce papers.|
Crossover: In the last scene, Doyle has a vision of Buffy in danger. Angel goes to Sunnydale in "Pangs".
|"I Will Remember You"||November 23, 1999||1ADH08||8||1x08|
| Old feelings rekindle when Buffy comes to L.A. to see Angel.|
Crossover: This episode follows the events of "Pangs", aired immediately before.
|"Hero"||November 30, 1999||1ADH09||9||1x09|
| Doyle's own chance for atonement comes sooner than expected when he receives a vision that a band of frightened refugees needs help and he sacrifices himself to save them, as well as everyone within a 3 mile radius.
Notes: Final appearance of Doyle.
|"Parting Gifts"||December 14, 1999||1ADH10||10||1x10|
| Angel and Cordelia are aided by old friend Wesley Wyndam-Pryce in the pursuit of a demonic bounty hunter.
Notes: Wesley joins the regular cast.
|"Somnambulist"||January 18, 2000||1ADH11||11||1x11|
|An unknown killer stalks the L.A. streets using a mark that Angelus once used.|
|"Expecting"||January 25, 2000||1ADH12||12||1x12|
|After a one-night stand, Cordelia wakes up to find herself extremely pregnant.|
|"She"||February 8, 2000||1ADH13||13||1x13||3.6|
|To save refugees from another dimension, Angel forms a tenuous truce with an alluring warrior demon.|
|"I've Got You Under My Skin"||February 15, 2000||1ADH14||14||1x14|
|A troubled family allows Angel, Wesley and Cordelia to exorcise a long-resident demon from their son.|
|"The Prodigal"||February 22, 2000||1ADH15||15||1x15|
|As he investigates the involvement of Kate's father in a vampire drug-smuggling ring, Angel remembers his final conflict with his own father—the day Angelus was sired.|
|"The Ring"||February 29, 2000||1ADH16||16||1x16|
| Angel is forced to become a gladiator in a clandestine fight club, where his only escape is to kill twenty-one demon opponents.
Notes: First appearance of Lilah Morgan.
|"Eternity"||April 4, 2000||1ADH17||17||1x17|
|An embattled celebrity enlists Angel to protect her from a stalker, but problems arise when she becomes tempted by the "immortality" that being a vampire seems to offer.|
|"Five by Five"||April 25, 2000||1ADH18||18||1x18|
| Rogue Slayer Faith comes to town and three associates at Wolfram & Hart hire her to assassinate Angel.|
Crossover: Faith was last seen fleeing Sunnydale in "Who Are You".
|"Sanctuary"||May 2, 2000||1ADH19||19||1x19|
| Everyone from the police, to Wesley, to the Watchers' Council, to Buffy Summers is out to get Faith, and Angel is the only one who can stop them.|
Crossover: After this episode, Angel will visit Sunnydale in "The Yoko Factor".
|"War Zone"||May 9, 2000||1ADH20||20||1x20|
| When Angel tracks down a millionaire's blackmailer, he gets caught in the middle of a gang war.
Notes: First appearance of Charles Gunn.
|"Blind Date"||May 16, 2000||1ADH21||21||1x21|
| Lindsey helps Angel break into Wolfram & Hart to prevent a blind assassin from carrying out her deadly mission, While Angel is in Wolfram & Hart he comes across a scroll that he feel a weird connection with and he steals it.|
Notes: First appearance of Holland Manners.
Crossover: Cordelia calls Willow for help in disc decryption, soon after the events of theft. "Primeval".
|"To Shanshu in L.A.||May 23, 2000||1ADH22||22||1x22|
|Wolfram & Hart summon the demon Vocah to reclaim the mystical scrolls stolen by Angel. In order to distract Angel, Vocal cursed Cordelia into a catatonic state and blows up the Angel Investigations offices after retrieving the scrolls. Needing the scrolls to save a dying Cordelia, Angel interrupts a ritual preformed by Vocah. After killing the demon, Angel chops of Lindsey's hand when he tries to burn the scrolls. At the end of the season, Cordelia finally makes it her duty to save the innocent after being subjected to various visions of people in pain caused by Vocah, Angel discovers a prophecy that states he maybe able to became human again when he finds redemption and the ritual preformed by Vocah (which was taken over by Lindsey during Angel's attack) resurrects Angel's sire Darla.|
- This is the first and only season of Angel that doesn't feature Lorne.
- The main antagonist of this season was Wolfram & Hart.