Late September of 1998 "Beauty & The Beasts"	x	Giles and Oz meet at The Blue Angel, discovering that they share the services of Alexa, a professional dominatrix. Dominion
October 1998 "Homecoming" Break with show		Willow and Xander begin seeing each other. Oz finds out. Other Lines
October/November 1998		Cordelia finds out about Willow and Xander. Oz and Cordelia bond, and Oz takes Cordelia to The Blue Angel. High Cost Of Living Driven Like The Snow Twenty Shadows
Early December 1998		Oz meets Christian. Hymn Of Breaking Strain
December 31, 1998		Oz and Giles talk on New Year's. Giles offers Oz a job researching. Revelry
Early January 1999		Alexa and Christian are introduced to the Sunnydale High gang when demons attack. Games
Late January 1999		Willow notices the relationship between Alexa, Christian, and Oz. Observation
February 1999		Faith finds out about The Blue Angel and goes to visit on a night where Cordelia and Giles are both visiting. Oz tries to keep the three apart. Temple Of Love Little Verses
May 1999		Christian and Oz discuss Oz's family. A Broken String
Middle of May 1999		Graduation. Willow and Xander disappear the next day, going to a Midwestern college without telling any of their friends. Cordelia moves to Los Angeles. Alexa and Christian offer to take Oz along on a trip to Berlin.
August 1999		Giles gives Oz an acceptance letter from the Watchers' Council. Oz leaves with Christian and Alexa for Europe.
Late September 2000		Christian, Oz, and Alexa arrive in London. Oz joins the Watchers for training. Station To Station
Middle of 2001		Faith dies while slaying.
April 2003		Oz graduates from the Watchers. He has a bittersweet reunion with Giles, but then leaves when Alexa calls for help. Great Mistake I Never Made
May 2003		"The Trouble" Oz must become Alpha of his pack in order to save it.
October 2003		"The Trouble" is resolved. Oz sends Christian and Alexa back to Sunnydale while he goes into Watcher apprenticeship.
December 2003		Buffy is killed in the line of duty.
December 2004		Oz returns to Sunnydale. Jeanne Duchamp, who will eventually be a Slayer, is born. Oz adopts her when her mother dies shortly after childbirth. Oz becomes a full Watcher.
July 2005		Oz and Jeanne live with Giles, who resides as Watcher emeritus. Someone Else's Story
Middle of 2009		Christian buys the former Blue Angel on a lark and renovates it.
Early 2019		Jeanne becomes the Slayer.
October 2019		Xander leaves Willow. Bittersweet
November 2019		Willow returns to Sunnydale to see Oz. Wrong
January 2020		Oz and Giles raise Jeanne together. Next Of Kin