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!

A snowstorm leaves Mary producing her first program, broadcasting the results of the local elections. The show has to remain on until a winner is declared and no word is received at the newsroom.

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.

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.

In the second-season premiere, after Mary Richards produces a ""What's Your Sexual IQ?"" documentary for the Six O'Clock News, Rhoda confesses to failing and Phyllis says that young Bess watched it. Phyllis calls on Mary to teach Bess the facts of life, but it turns out that Bess already had learned it from her friends. Meanwhile, the WJM-TV newsroom is shelled with phone calls responding to the documentary. According to Mary, more people are appalled by it than anything else.

Mary is intrigued by the voice of Lou Grant's friend, Mike Cooper, and asks to be set up with him. Lou breaks his policy of not matchmaking friends and colleagues.

Mary and Rhoda take an unplanned vacation to Mexico but have to do a strange favor for a Mexican restaurant owner for reservations.

Mary and Rhoda enroll in a night school course in journalism and Mary begins dating the lecturer.

When Ida, Rhoda's mother, visits, she sees how well Phyllis and Bess get on, and how closely Mary appears to her mother when they chat on the telephone, that she tries to be Rhoda's ""friend"".

Jack Cassidy guest stars as professional model Hal Baxter, who comes to visit his brother Ted at WJM-TV. Immediately, the two engage in a heated battle of sibling rivalry about EVERYTHING -- salaries, cars, & even women. In an effort to size up his brother, Ted claims that Mary is his girlfriend. Ted & Hal decide to go on a double-date with Mary & Rhoda. At the restaurant, Ted doesn't know any etiquitte, and it shows. Back at Mary's apartment, Ted & Hal arm wrestle before Hal decides to go with Rhoda up to her apartment to look thru magazines for his picture. Ted stays with Mary to make Hal think that he spends more time with his girl than he does.

Mary attends her high school reunion and meets up with her former boyfriend Howard Arnell, who continues to have feelings for Mary. Meanwhile, Rhoda tags along believing that people will ""remember"" her although she didn't attend Roseburg High.

The writing and technical unions go on strike, leaving only Lou, Mary, and Ted in the newsroom. WJM-TV makes Lou be second cameraman on ""The Chuckles the Clown Show"". Because an upset Murray is on strike, Mary has to write the news stories. They are terrible, and when Lou criticizes them, she starts crying. Things take a turn for the worse: Ted's union strikes, and Lou has to fill in as anchorman! On his first brodcast, he has ""clammy hands"", and he bombs. At a local bar, Murray, Gordy, & Mary share a laugh over this. After drinking before his 2nd brodcast, he is ""as cool as a cucumber""--that is, until he falls asleep at breaktime. Herb fills in for Lou for the rest of the brodcast. The next day, the unions come to an agreement, and everything goes back to normal. Rhoda Morgenstern & Phyllis Lindstrom do not appear in this episode.