The misadventures of a divorced mother, her family and their building superintendent in Indianapolis.
Genre: Comedy
Cast:Bonnie Franklin , Pat Harrington Jr. , Valerie Bertinelli , Mackenzie Phillips , Glenn Scarpelli , Michael Lembeck , Boyd Gaines , Nanette Fabray , Shelley Fabares , Richard Masur , Ron Rifkin , Mary Louise Wilson , Howard Hesseman , John Putch , Joseph Campanella , Charles Siebert , Scott Colomby , Howard Morton
Barbara is all nerves as her wedding approaches especially when Mark decides to play golf just before the ceremony.
Barbara is about to be married and the groom hasn't returned from the golf course.
Barbara has trouble adjusting to married life when Mark's old apartment has community facilities, with a beautiful, naked, single woman walking around.
Believing Alex needs a father figure and more male influence, Schneider and his beer-guzzling buddies take him to a female mud-wrestling show.
Francine talks Ann into a weekend business trip to Paris to learn about the people and the business climate when they start having dealings with French clients.
Ann may be a little envious of Francine's freewheeling lifestyle, especially after Francine takes Alex for the weekend and shows him the time of his life.
Ann and Mark's father have dinner with Mark and Barbara and things move very fast between them.
Julie's announcement that her baby will be born underwater may be more than Ann can bear.
Julie is determined to go to California to have an underwater birth, but the baby has other ideas and is born in Ann's apartment.
When Barbara returns to college, there is little money and little time for romance.
Forced out of their rooming house by an explosion, Barbara and Mark impose on Ann for a temporary home until they can find a place of their own.
Both married couples and little Annie are now at Ann's house driving her crazy.
Unable to cope with the pandemonium at her house, Ann takes refuge at Sam's place, until he offers her a solution for which she's completely unprepared.
A shipboard romance for Grandma Romano has her planning to marry the lounge piano player.
Alex's video game mania may be a symptom of a deeper problem.
Saving a man's life gets Schneider a cushy executive job with very little to do.
Sam offers Ann paradise on a Pacific island if she'll leave everything in Indianapolis.
Determined not to be a burden on anyone, Grandma Romano keeps her escalating financial problems from Ann.
Approaching his 15th birthday, Alex anticipates his first female encounter. But when he strikes out with the school's "girl most likely to," he makes a play for an older woman.
A letter to Ann's mother from her father, mailed the day before he died, is delivered four years later.
Barbara's old boyfriend Bob reveals he still has feelings for her.
A weekend outing with a girl from school is more attractive to Alex than the father-son night he agreed to attend at Schneider's lodge.
Ann has been expecting a visit from a top Sicilian designer, named Guido Panzini, who bears a striking resemblance to Schneider. When he arrives, he and Francine immediately hit it off and start seeing each other. This puts a kink in Schneider's plans of romancing Francine.
Ann picks up the morning newspaper and is in for a shock: Sam has set a wedding date for the two of them, and he hasn't even proposed yet. It seems the two are to get married in three days, but Ann is overcome with a case of premarital jitters, though they aren't as bad as the jitters that Sam has, causing him to phone a radio talk show for advice.
Ann and Sam leave for their honeymoon and arrive at their destination, a ski lodge. Things immediately get off on the wrong foot as the airline loses Ann's luggage, but things get even worse when Sam injures his back on a ski lift, which lands him in bed for most of the honeymoon.