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1999

September 26 - 30
Buffy, Willow and Oz start life at UC Sunnydale. While Willow is finally at ease in an environment where she feels knowledge is not a liability, Buffy's feelings of inadequacy in the smarts department are emphasized by the beating she takes at the hands of Sunday, leader of a vamp gang of thieves.
(Buffy answers the phone in "The Freshman" but no one speaks. In "City of" we see it's Angel that made the call)
"The Freshman"

September 28 - 30
Half-demon Doyle and former Sunnydale resident Cordelia enter Angel's life in Los Angeles, where he's been on a Batman schtick, helping those in need; Doyle convinces Angel that 'The Powers That Be' want him to not only help people, but get involved in their lives, possibly helping himself in the process; his first case - spurred by Doyle's mysterious visions - pits him against vampire businessman Russell Winters, who nearly gets his fangs into Cordelia; Winters law firm Wolfram & Hart suffer their first client loss at Angel's hands
(Buffy answers the phone in "The Freshman" but no one speaks. In "City of" we see it's Angel that made the call)
Angel: "City of"

late September
Melissa Burns starts working at Pardell Paper Products, 200 Wilshire Blvd, Los Angeles
(She's been there 'a month' according to Penny, the same amount of time Cordy's been working for Angel)
Angel: "I Fall to Pieces"

October 4 - 8
Buffy has trouble adjusting to life with her roommate, Kathy. Understandable once she finds out Kathy is actually a soul-sucking demon.
"Living Conditions"

October 8 - 10
Angel tracks a serial killer parasite and meets lady cop Det. Kate Lockley
(Starts on a Friday night)
Angel: "Lonely Heart"

October 17
Vanessa Brewer arrested for a double homicide. She gets out on bail while awaiting trial.
(Okay, I just pulled a date out of a hat here - the ep just said '1999.')
Angel: "Blind Date"

October 23
A man is found mysteriously burned to death in Los Angeles.
(Won't swear to the exact day. If someone with a clearer tape wants to chip in...)
Angel: "She"

October 22 - 25
Spike is back in town (paired up with new vampire Harmony no less!) looking for the Gem of Amarra, said to make any vampire un-killable by anything, sunlight and stakes included
(Buffy spends Saturday night - the 23rd - with Parker; Xander and Anya also 'interlock')
"Harsh Light of Day"

October 26 - 28
Oz takes the Gem of Amarra to Angel and Spike wants it back.
(Directly follows HLOD)
Angel: "In The Dark"

October 30 - 31
A fraternity Halloween party not-unexpectedly goes bad when a fear demon crashes.
("one week anniversary" of Xander and Anya sleeping together in HLOD)
"Fear Itself"

November 1 - 2
Still in a funk over how Parker treated her, Buffy drowns her sorrows in tainted beer, unleashing her animalistic nature.
"Beer Bad"

November 1-4
Angel stops Dr. Ronald Meltzer's stalking of Melissa Burns. And gets paid for it, much to Cordy's delight.
Angel: "I Fall To Pieces"

November 5 - 8
Cordelia moves into apt. 212 of the Pearson Arms - Maude Pearson's old apartment, and Doyle has trouble with an old debt needing payment.
Angel: "Room With A View"

November 10 -14
Oz meets a female werewolf named Veruca and begins to wonder where the wolf ends and Oz begins. He leaves Sunnydale and Willow.
(Yes, I know the full moon isn't really for another two weeks but the choice was move the moon to earlier or put Thanksgiving - see "Pangs" - sometime in December. The moon lost.)
"Wild At Heart"

November 13 - 20
Angel helps Kate track down and arrest "Little Tony" Papazian, who makes a deal through his law firm Wolfram & Hart to put the police through a 'special' sensitivity class to facilitate his escape
(it took a few days for Angel to track down Papazian - it was Sunday when Angel was fighting the demon - no sword smiths open - and when they later questioned a thug about Papazian plans, the thug had overheard Tony's guys talking at his Thursday night spinning class at the gym)
Angel: "Sense & Sensitivity"

November 18 - 19
Riley realizes he has a crush on Buffy and decides to court her. Spike escapes from his captors, a group called 'The Initiative' ran by Prof. Walsh. Riley is one of the agents.
"The Initiative"

November 20 - 22
Doyle's wife Harry (now an ethno-demonologist) comes to town with fiance' in tow to get Doyle to sign the divorce papers; her husband-to-be is an Ano-movic demon she met while scouting clans in South America
Angel: "Bachelor Party"

November 22 - 25
Buffy's Thanksgiving plans are interrupted by Hus, a vengence-seeking Native American spirit released when the old Sunnydale Mission is uncovered. Hus begins to make the current residents of Sunnydale (particularly Xander) suffer much as his tribe, the Chumash, suffered when settlers first came to the Sunnydale region. Angel keeps an eye on her because of Doyle's vision but doesn't let her know he's in town. Xander does.
"Pangs"

November 26
Buffy goes to LA, supposedly to see her dad but really to see Angel after finding out he'd been in Sunnydale without telling her. While talking they're attacked by a Mohra demon, who's blood turns Angel into a living, breathing, non-vampire guy again. After a night of passion, they fight the demon again and Angel realizes that as a mortal, he's no good to anyone. He can't fight evil and Buffy can't do her best while worried about him. He goes to the Oracles and has them reverse time so he can stop the demon without getting its blood on him. Angel is the only one who remembers his brief time as a human.
Angel: "I Will Remember You"

November 29 - December 2
After Oz has all his stuff removed from his dorm room, Willow gets into a deep blue funk. She tries a spell to make her will be done, so she can magick herself into not feeling the pain of loss. It doesn't work quite like planned, but work it does, so that any offhand comment she makes come true. She blinds Giles, turns Xander into a 'demon magnet' and makes Buffy and Spike think they want to get married among other things. She doesn't realize what she's done until D'hoffren, the demon that made Anya a demon 1120 years ago, makes her the same offer.
(at the end of ep, Xander is helping Giles test his eyesight. He holds up a clock for Giles to read and Giles says "Five past two. Thursday," giving us an ending day of the week.)
"Something Blue"

November 28 - 29
The Scourge hit LA, full-blood demons aiming to wipe out all the half-breeds. Angel, Cordy and Doyle try to help a clan of Lister half-demons leave the country, but the Scourge have a secret weapon - a light that can destroy any creature with human blood. Angel and company save the day and defeat the Scourge, but not without a casualty of their own.
Angel: "Heroes"

December 1 - 2
Cordy finds out that with Doyle gone she's become Angel's connection to the Powers That Be when a vision strikes her during a commercial audition. Meanwhile, Angel crosses paths with rogue demon hunter (and ex-Watcher) Wesley.
Angel: "Parting Gifts"

December 3
A man is found mysteriously burned to death in Los Angeles.
(Won't swear to the exact day. If someone with a clearer tape wants to chip in...)
Angel: "She"

December 10 - 13
The Gentlemen arrive, heart stealing fairy tale demons who rob the voices of everyone in Sunnydale so they can't scream for help. While fighting them, Buffy comes face to face with a commando-suited Riley. Their secrets are out.
(at the beginning Walsh tells the class she'll see them Monday, so I'm starting this on Friday)
"Hush"

December 13 - 14
An earthquake signals the beginning of the end...again. Three demons are going to open the Hellmouth unless Buffy can stop them. Meanwhile, Spike is so depressed about his condition that he's ready to stake himself, until he finds out the implant only keeps him from harming humans. Demons, on the other hand, are fair game.
(continues from the final scene of 'Hush'; Buffy tells Riley she is a Capricorn on the cusp of Aquarius, which works quite well with adopting January 19th as her birthday)
"Doomed"

December 18
Reggie Sparks, a volunteer school crossing guard, is killed by "The Pope", a serial killer using the same methods Angelus used in the late 1700s
Angel: "Somnambulist"

December 19
tenth grader Jenny Markem is killed by "The Pope", a serial killer using the same methods Angelus used in the late 1700s
Angel: "Somnambulist"

December 20
Jessica Halpren is killed by "The Pope", a serial killer using the same methods Angelus used in the late 1700s
Angel: "Somnambulist"

December 21 - 24
Angel has been having dreams about killing, dreams that are proved true in the morning papers. It turns out one of his proteges, Penn, is in Los Angeles still using the same old cross-carving method Angelus used in the late 1700s. During the search for the killer, Det. Kate Lockley finds out Angel is a vampire
(the newspapers are dated in December and first scene shows the reflection of a full, or nearly so, moon - I started it the 2nd night prior to the full moon (the 22) because otherwise it would end on Christmas Day, which I can't help but think would've drawn comment from a character)
Angel: "Somnambulist"

2000

January 7 - 11
Cordelia wakes up eight months pregnant, used by a guy who is serving as a surrogate for a demon who's promised him and his friends wealth and power for their assistance in producing heirs with unsuspecting young women. With Wesley's help, Angel defeats the demon which automagically causes the unborn demon babies to cease to exist.
Angel: "Expecting"

January 18 - 21
Angel offers Wesley a paid position with Angel Investigations. Just in time to help Jhiera, a female from another dimension who is helping other females come to Earth to escape enslavement by their males.
Angel: "She"

January 19 - 22
Buffy's birthday party is strangely uneventful for her. As she and Riley get closer, Giles begins to feel more out of loop, and ends up drinking the night away with old enemy Ethan Rayne, who warns him that the activities of the Initiative are upsetting the balance of things, particularly in regards to something called '314'. When Giles wakes up the next morning, a hangover is the least of his concerns; Rayne has transformed Giles into a demon, and no one but Spike can understand a word he says. On the run from both the Slayer and the Initiative, Giles has to find Rayne and get him to reverse the spell before the Slayer does her duty on him.
(according to Buffy in "Doomed" she is a Capricorn on the cusp of Aquarius, which works quite well with January 19th)
"A New Man"

January 26 - 27
Angel investigates a family where one member is possessed by an Ethros demon, but all is not as it seems.
Angel: "I've Got You Under My Skin"

February 8 - 9
Kate responds to a call at a subway station to find that Angel has already killed the demon involved. Her father is on the scene, too. Kate thinks he's checking up on her. Angel is surprised to find that the Kwaini demon, a female species that is supposed to be peaceful. Something or someone on the subway must've set it off. Angel finds out that Kate's father, Trevor, is involved in something he shouldn't be, demon drug dealers. With Angel on their trail, the pushers decide to kill Trevor. Angel gets to Trevor's apartment but can't cross the threshold and can only watch as the bad guys vamp out and kill Trevor. Angel stakes one vamp but the other escapes just as Kate arrives and sees what happened. Armed to teeth, Angel and Kate go after the demon running the drugs. Kate can't help but see Angel as just another of the type of creatures who killed her dad and walks out.
Angel: "The Prodigal"

February 16 - 20
Buffy works closer and closer with The Initiative, a fact which bugs both the Scooby Gang and Prof. Walsh, who's secret project in room 314 is Adam, a Frankenstein monster-type creation created out of pieces of various demons, people and cybernetic enhancements. Walsh gets too uncomfortable with Buffy's presence (and her relationship with Riley) and sends Buffy on a suicide mission. She tells Riley that Buffy died on the mission, but Riley isn't convinced as he sees Buffy quite alive on a monitor behind Walsh, promising to show the professor just what a Slayer is. Riley walks out, leaving a furious Walsh to seek solace at the side of Adam, who awakes and skewers his "mommy."
Buffy warns the gang of Walsh's treachery and finds out about Adam. Riley is stunned by Walsh's death and begins to act paranoid and freaky. Turns out that the vitamin regimen Walsh had the Initiative soldiers on was more than just vitamins, enhancing their endurance and strength. Riley is suffering withdrawal. Buffy and Riley face Adam inside the Initiative complex. Adams skewers Riley in the side and pummels Buffy a bit before the Marines arrive and he bolts. The soldiers take Riley under their care and point Buffy towards the exit. Spike is having his troubles, too, as the local demon population doesn't take kindly to his occasional helping of the Scooby Gang dust their brethren.
"The 'I' In Team" / "Goodbye Iowa"

February 24 - 26
Angel stumbles onto a group that captures demons and pits them against each other in fights to the death for the more "upright" citizens of LA to bet on and enjoy the gladiatorial carnage. Cordelia and Wesley help save the day and a horde of demons is once again loosed on LA. One of those 'good news, bad news' type things.
Angel: "The Ring"

February 25-27
As if worrying about Riley locked away in the Initiative infirmary and Adam's continued killing of whatever he comes across wasn't enough, Faith wakes up and escapes the hospital, bent on revenge against Buffy. She spies on the Scooby Gang, and catches site of Buffy and the mostly recovered Riley, who's left the hospital under his own power. Faith goes to Buffy's home and threatens Joyce but Buffy arrives to save the day. In the midst of the battle, Faith uses a gadget left to her by the Mayor to pull a body-switch and knocks out the surprised Buffy, now in Faith's body. The cops haul away an unconscious Buffy while Faith (in Buffy's body) looks on. Even more plot complications: the Watchers Council has sent a special team to take the newly-awakened rogue Slayer back to England, but of course they get Buffy instead. Meanwhile Faith is trying to insinuate herself into Buffy's life. Willow introduces Tara to her but Tara is powerful enough in the ways of Wicca to realize Buffy isn't herself, literally. While Willow and Tara do a spell to find out what's going on, Faith sleeps with Riley. Buffy frees herself and goes to Giles', who doesn't believe it's really Buffy until Willow and Tara show up and explain. Faith has decided to skip town since being Buffy, with folks who genuinely care for her, is too much for her. They all see a news broadcast about a local church taken hostage by seriously deformed men who are threatening to kill all inside. They're vampires that Adam has talked into facing that which they most fear - God. Faith goes to fight the vampires and nearly has them all dusted when Buffy shows up. They fight and Buffy pulls the switcharoo herself, thanks to Willow and Tara's conjuring. Back in her own body, Faith makes a break for it. While Buffy finds out about what Faith and Riley were up too, Faith hops a train out of town.
(not only the day of the week but the date mentioned on-screen. thanks Joss!)
"This Year's Girl" / "Who Are You?"

February 28 - March 2
Angel helps out fading actress Rebecca Lowell, who repays him by loosing Angelus in an attempt to get him to turn her into a vampire so she can keep her youthful looks.
Angel: "Eternity"

March 7 - 9
Schlep-boy Jonathan Levinson is The Man! Thanks to a spell, that is. A spell that makes him the be-all, end-all of everything, and Buffy and the Scooby Gang his eager hangers-on. Unfortunately, the spell also produces an evil as bad as Jonathan is good. Realizing the trouble, Jonathan allows Buffy to defeat the creature and return the world to it's former, non-Jonathan state.
"Superstar"

March 16 - 17
Buffy and Riley's passion in Lowell House rouses the spirits of the children who used to live there and were punished severely for any 'unclean' thoughts they may have had. Xander and Anya brave the house and save Buffy and Riley before their life force is drained completely away.
"Where The Wild Things Are"

March 19 - 20
Oz returns to Willow, taking her out into the moonlit night to prove he finally has the wolf under control after travels to Romania, Tibet and other exotic places. Unfortunately, things are complicated by Willow and Tara's burgeoning relationship, and when Oz realizes something is going on, he wolfs out and is captured by the Initiative. Riley tries to get the Initiative doctors to stop their sadistic tests on Oz and is thrown in the brig. Buffy and the gang launch a rescue mission for Oz and help Riley also, who deserts the project. Oz once again leaves town, leaving Willow and Tara to see where their relationship will go.
"New Moon Rising"

March 20 - 25
Faith hits LA and is hired by Wolfram and Hart to kill Angel; after torturing Wesley, Faith breaks down while fighting Angel, urging him to kill her; Angel takes her back to his place to try and help her but Buffy shows, still steamed about the whole body-switch, sleeping with Riley thing; during all this, the Watchers special forces team shows up to try and take Faith back; after Angel and Buffy both risk themselves to help her, Faith turns herself in to the police and Angel tells Buffy she shouldn't have butted in and to go home.
(Angel says it's a week after Faith left Sunnydale, but that doesn't work with the full moon needed later for "New Moon Rising", which happens later. My choice was move the phase of the moon up a few weeks, or move these eps back a few. I moved the eps.)
Angel: "Five By Five"/"Sanctuary"

March 26 - 27
Buffy returns to Sunnydale, where Spike and Adam have cut a deal - Spike splits Buffy from the Scooby Gang and Adam splits Spike from the restraining chip in his head; Buffy and Riley's best friend Forrest run into Adam in a cave - Forrest is skewered and Buffy barely escapes with her life; Angel shows up to apologize for the way he treated her in LA and runs into Riley; Spike's plan works and Buffy leaves the gang in a huff, while the last part of Adam's plan shows up - in the form of Riley
"The Yoko Factor"

March 27 - 28
While Riley is held captive by Adam, thanks to the chip Prof. Walsh put in Riley's chest, the Scooby Gang deal with the feelings brought out by Spike. Gradually they realize that Spike was the one behind the whole mess and get the group back together in time for an all-out assault on Adam, holed up in the Initiative complex. The gang peforms a spell to imbue Buffy with the combined power of all the Slayers there's ever been, giving her enough strength to turn aside Adams attacks and yank his power supply right out of his chest. Afterwards, they have to fight their way out of the complex, now overrun by a bunch of cyber-demons cooked up by Adam. They make it, of course, and the Initiative is shut down for good.
"Primeval"

March 28
Back at Buffy's house after the showdown with Adam, the gang plans an all-night video marathon since they're all still too wired after the spell to sleep. Of course, once they all get still in the living room, they're asleep by the time the first movie starts. But their sleep is not peaceful. A malevolent force stalks them in their dreams. Eventually it comes down to it and Buffy, and Buffy realizes she's face to face with the very first Slayer. Buffy refuses to fight, and the all wake up, hale and hearty. (NOTE: this is the first time Buffy's mom meets Riley, who leaves before the gang sacks out.)
"Restless"

April 4 - 6
A scared girl is being chased down an alley by vampires. The vampires stop short when they're confronted by a black-clad, heavily armed figure - Gunn and his gang of teen vampire hunters. Meanwhile, Cordy drags Angel and Wesley to a party hosted by billionaire software geek David Nabbit. He's being blackmailed and wants to hire Angel. Seems he went to Madam Dorion's, a demon brothel in Bel Air, and someone took pictures. Angel confronts the blackmailer and gets attacked by his partner, a demon. Angel defeats the demon and then is attacked by Gunn's crew. Angel saves Gunn's sister Alonna from getting killed during the ruckus and convinces Gunn not to kill him. The leader of the vampire gang Gunn's people are after decides to take the fight to Gunn, and they kidnap Alonna. Angel goes to meet Gunn again and try to talk them into letting him help. He gets to them as they're gearing up for a fight with the vamps. Gunn traps him in a meat locker and they head out to rescue Alonna. When Gunn arrives at the vamp's lair, it's too late. Alonna is a vampire. Wes and Cordy release Angel and he goes after Gunn, arriving just after he stakes Alonna. Gunn's gang and the vampire gang are about to go at it but Angel stakes the vamp leader and convinces the other vampires they'd rather be somewhere else. Everyone walks away.
Angel: "War Zone"

April 12 - 15
After dusting a couple of vamps in a warehouse, Angel is attacked by a blind woman that beats the stuffing out of him and gets away. Cordy and Wesley suspect she's some sort of assassin and do a computer search. They get a name: Vanessa Brewer, currently on trial for double homicide and being defended by Wolfram & Hart. As Lindsey is speaking to the court, Angel walks in and tosses Vanessa's dark glasses to her. She snatches them out of the air with no problem. Lindsey still manages to get her cleared of the charges. Holland congratulates Lindsey and tells him to be ready to do it again, as they're sending Vanessa after some children who pose a threat. Lindsey goes to Angel and asks for help. He wants out. Angel enlists Gunn's help to get into the Wolfram & Hart building to get the information on Vanessa's next job. After taking the files, Angel sees a bizarre tube holding a parchment in the vault and takes it, too, setting off alarms. Holland confronts Lindsey about his betrayal, but instead of having him killed, offers him a few days off to deal with his crisis of faith. He helps Angel save the children - all seers. Wesley translates some of the text on the parchment Angel found. It's the Prophecies of Aberjian. Some of it also mentions the vampire with a soul. When Lindsey goes back to Holland, returning the stolen discs (after making a few copies to keep himself safe from the company) Holland offers Lindsey his job, with a "thundering raise and ungodly benefits." Lindsey accepts.
Angel: "Blind Date"

April 17 - 18
Cordy tells them that Lindsey was promoted while Wesley tries to translate more of the prophecies about Angel. David Nabbit shows up wondering if they've seen any cool demons. He wants to 'hang.' Wolfram & Hart call Voca forth, and they need to get the scroll back from Angel for the raising. Cordy is put in the hospital with visions that won't stop and Wesley is in the office when it blows up. Angel goes to the Oracles for help but they're dead. Voca got to them first. During Angel's battle with Voca, Lindsey's hand gets cut off, but not before the raising is complete. Holland tells Lindsey that the senior partners are impressed with Lindsey. And thanks to the raising, they now have a powerful weapon against Angel - Darla.
Angel: "To Shansu In L.A."

June
Xander gets a full-time construction job.
(He's had the job three months as of "The Replacement")
"The Replacement"

August 19
Los Angeles Metro District police officer Peter Harkes (badge #4226) is killed in the line of duty. Detective Kate Lockley attends the funeral.
Angel: "The Thin Dead Line"

Late August
Monks in a monestary in the Czech Republic hurridley perform a spell to protect "the Key" from a great evil.
"No Place Like Home"