The classic series begins its classic 7-year run in Mary's apartment. Mary Richards, a 30-year-old single woman, has left her long-time boyfriend, Bill, to be with her old friend, Phyllis Lindstrom, in Minneapolis. (Mary originally lived in Roseburg, MN.) Why did Mary leave Bill? After promising to her that he would marry her right after his internship at the hospital, he said, ""Why rush into things???"" Meanwhile, she's already having troubles with her new apartment--a bitter upstairs neightbor, Rhoda Morgenstern, insists that she owns Mary's apartment!

Mary is worried now that she's outside the 15-29 demographic group which the station classifies as 'young', and the mailboy has called her 'Ma'am'. Rhoda persuades her into calling an old boyfriend for a get-together.

When Phyllis's husband Lars takes ill, she asks Mary to babysit Bess for a few days. Bess decides she wants to stay permanently with Mary, to Phyllis's dismay.

Mary and Rhoda find out that divorcees at the Better Luck Next Time club can get group rates on cruises and decide to join. However, Mary proves a hit with the club's members and gets elected to its board.

A football player turned insurance salesman applies for a job as a sportscaster and attaches himself to Mary. Mary and Rhoda discover that he hasn't had much success at anything and encourage him to pursue his dreams.

Rhoda's mother, Ida, comes visiting and Rhoda refuses to see her. Ida stays with Mary but drives her crazy.

Mary begins seeing an author who appeared as a guest on WJM-TV's Scrutiny, and becomes extremely self-conscious after discovering he is several inches shorter than her.

Mary is nominated for her first Television Editors' Award (the ""Teddies""), but at home Rhoda's boyfriend Bob takes more of an interest in Mary than in Rhoda.

Mary's workload gets too much so Lou allows her to hire an assistant. She chooses Phyllis who hinders more than she helps.

Mary is audited by the IRS, and the shy auditor takes an interest in her. Unfortunately, he has great difficulty telling her how he feels.

Ted loses his self-confidence after speaking at Phyllis's club and Mary has to find a way to get Ted back on a high.

After Mary invites Lou's nephew home for dinner, she must confront false rumors in the newsroom the following day.

Feeling sympathetic for a co-worker who hasn't spent Christmas with his family for years, Mary is forced to stay alone at WJM-TV on Christmas Eve.

Mary begins seeing Paul Arnell, the brother of her former boyfriend Howard Arnell, and is shocked to discover that the brothers' parents still believe that she and Howard are an item.

Mary gets a tempting offer from a rival television station, but becomes reluctant to leave when her WJM-TV colleagues throw a farewell party for her.

Mary reluctantly finds herself romantically involved with a married man.

Mary's apartment is burgled, with only her clothes, stereo and television taken but then next night the whole apartment is cleaned out.

Murray's play, All Work and No Play, is finally produced but his happiness is short-lived when he discovers that the leading role will be played by Ted.

Mary is admitted into the hospital to have her tonsils removed, and shares a room with a grouchy woman who refuses to get along with anyone.

Lou and his wife Edie separate and Mary becomes involved when she is asked for advice.

An irritating childhood friend drops by Mary's apartment, making use of her connection as Mary's former camp mate to introduce herself to the newsroom's staff.

Rhoda falls in love with a top executive, and is shocked to find that he wants to give up the high-flying lifestyle to become a forest ranger.

When Lou is fired, Mary goes to confront the station owner, Wild Jack Munroe.