In the pilot, Don spends the whole episode living like a playboy, until he goes home and we see he's married with children.
Don's long-lost brother finds him.
Roger makes a pass at Betty.
We learn that Don Draper is not really Don Draper.
Peggy has a surprise baby.
Don grabs Bobbie Barrett in a most ungentlemanly way.
Oh Chauncey! Alcoholic Duck chooses the bottle over his best friend, setting the Irish Setter loose on the streets of NYC.
Freddy Rumsen wets his pants at work.
While at the office, Joan is raped by her own fiancé.
Don finds out his coworker is gay when they go away on that business trip together.
British guy loses his foot to a lawnmower during office party.
Peggy hooks up with Duck Phillips.
Sal gets fired after a powerful male client hits on him.
Betty learns the truth about Don.
While the world is stunned by the JFK assassination, Betty tells Don she wants a divorce.
The Sterling Cooper gangs fire themselves and start up Sterling Cooper Draper Pryce.
Megan throws a surprise birthday party for Don and gives him a sexy dance to "Zou Bisou Bisou," with all his coworkers watching.
Betty Draper has really let herself go.
Roger drops acid at a party.
Megan's mom performs oral sex on Roger.
Joan sleeps with the Jaguar rep and is made a partner.
Peggy tells Don she is quitting.
Sally gets her period, and Betty comforts her.
Lane hangs himself in his office.
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