The investigation of a young model’s murder leads Riggs and Murtaugh to one of L.A.’s wealthiest families and Riggs is jolted when an old friend of his wife’s is also…

An unexpected visitor arrives at the White House and reveals the details of a very horrific plan.

A group of college students on a camping trip are swept up in a horrifying and deadly conspiracy decades in the making.

The President struggles with the morality of a deal he must make.

Joan and Peggy deal with high-jinx in the office.

An unannounced visitor at the Francis home rattles Betty.

In the midst of a crisis, Don runs into an old friend.

Don and Peggy are faced with life-altering decisions

Don and Pete disregard Roger’s plans in order to land a new client.

Don deals with a trade-paper interview but doesn’t want to talk about himself. A manufacturer of a “wholesome” two-piece bathing suit wants to hire the firm but doesn’t want anything…

The agency’s Christmas party is nearly spoiled by the late arrival of a surprise and not-so-welcome visitor.

The firm celebrates as they hit a milestone. Peggy and Paul compete to secure the same account.

Peggy’s taste in men proves questionable. Pete has to make a big decision about his career and a candidate makes a big impression on Don.

Don has a big meeting with Connie about their future relationship. Betty is the beneficiary of some interesting advice and Pete has a serious sit-down with some clients.

Betty tries her hand at local politics. Don is forced into thinking about the future. Peggy receives a luxurious gift.

Don decides to include Betty on a company business trip. Pete lends a hand to a neighbor in his apartment building.

There is trouble for Don and Sal in giving their clients what they ask for. Meanwhile, Betty hosts a fundraiser.

The writers make an attempt to stave off late-night boredom during a mandatory overtime session. Roger throws a party as Joan and Greg host their own party. Sally has a…

When Scully and Doggett are contacted by a man who claims his wife was murdered shortly after giving birth to an alien baby, Scully digs deeper into reports of alien…