Pete’s mother is presumed dead. Don pitches the Hershey campaign. Ted plans to move to California. Don is put on leave.
Don and Betty sleep together. Abe breaks up with Peggy. Pete hires a nurse for his mother. The agency wins Fleischmann’s margarine.
Don fires Jaguar. SCDP loses Vicks. CGC and SCDP win the Chevy account together and merge as an agency.
Frank Gleason passes away. Don is injected with an "energy serum" and tries to win Sylvia back. Sally is confronted with a burglar.
SC&P makes progress with both Sunkist and Ocean Spray. Pete fires Dot Campbell’s nurse. Sally catches Don in bed with Sylvia.
Joan wins the Avon account. Don smokes hashish in L.A. Cooper reveals the agency’s new name: Sterling Cooper and Partners.
Pete takes over the Chevy account. SC&P take on Sunkist. Don lies to St. Joseph’s. Sally is accepted into boarding school.
CGC moves into the SCDP office. Bob takes Joan to the hospital. Sylvia breaks it off with Don. Robert Kennedy is assassinated.
Don and Megan go on vacation in Hawaii. Roger's mother passes away. Don sneaks around with his neighbor, Sylvia.
Peggy and Abe look for an apartment. Ginsberg is set up on a date. Martin Luther King is assassinated. Megan wins an ANDY award.
Peggy shares confidential information with Ted. Megan confesses her miscarriage to Sylvia. Trudy confronts Pete about his infidelity.
Megan is offered a love scene. SCDP and CGC pitch campaigns for Heinz ketchup. Heinz baked beans drops SCDP.