Now that Mary knows her thing is communication, she has to decide what to do with it. Tom doesn't communicate well when he tells Loretta and Mary what happened between Charlie and Tiny at the plant. Mary wishes Tom could convert the energy of anger into something sexy. George is happy he and Martha made up at 2:15 a.m. Cathy fears she's no longer good enough for Steve, and George threatens to punch his heart out. Loretta's engineer Clyde Muncie visits with news that his brother in Chicago wants to release Loretta's song as a single.

Steve reassures Cathy that starlet Kate Walters was just for publicity. Tom has to explain to Heather that he broke the rules when he's sent home from the plant over the incident between Charlie and Tiny. George isn't sympathetic to Tom's situation. At the library, Mrs. Delorean introduces Mary to sex therapist Mona McKenzie from the Lackawanda Institute

Cathy tells George and Martha that she and Steve are going to Hollywood to be married, just as Kate Walters arrives at Steve's apartment. Tom has it out with George and decides to run against him in the union election. Mary explains her problems to Mona McKenzie. Mary lies to Cathy that Mona is an old friend from high school who transferred away. Cathy discovers Steve in bed with Kate.

Mary, Martha, and Loretta plan Cathy's impromptu bridal shower while she's throwing her engagement ring back at Steve. A distraught Cathy arrives home, announces Steve's infidelity, and renounces men. Dennis drops by the Hartman kitchen and tells Mary that he still wants her and will wait for her, but when Cathy arrives, Dennis asks her to dinner.

Mary secretly phones Mona but can't talk. After her date with Dennis, Cathy's over Steve. Loretta has a new tune about Cathy's relationship with Steve called How Can You Say You Don't Love Me When You Never Could Talk At All? Clyde calls the Haggers with news that a royalty check is in the mail. Tom and George spar over union ideals at the plant. After hearing Baby Boy on the radio, Tiny offers to help Charlie get re-hired. Tom accuses Mary of meddling, and she accuses him of using sex to intimidate her into being a good girl. Mona phones Mary to arrange a meeting about sex therapy.

Mary is too busy preparing food products without food to care about Cathy's relationship with Dennis. Loretta receives a phone call from another Mrs. Haggers. Mona arrives at the Hartman house to carry out Mary's plan. Loretta confronts Charlie about his past.

Mary and Tom have a surrogate. Loretta gets a non-obscene phone call. Mary leaves Tom alone with Mona.

Charlie talks to Loretta about Muriel. Cathy and Dennis return from a night together. Loretta prepares for her predecessor.

Mrs. Haggers meets Mrs. Haggers. Sergeant Foley waits with Mary. Mary is shaking - and it's not from the cold. Charlie and Muriel remember things differently.

Mary is not nervous as Mona drops by. Cathy has no need to be jealous. Tom learns the wonders of performance anxiety.

Mary wonders about Tom's sudden burst of cooperativeness. Charlie tells Loretta the story of Muriel. Cathy has found the perfect man - again.

Mona has a perfect record - practically. Loretta and Mary tackle each other's problems and talk about "the scar!"

Loretta gives a farewell performance. Cathy plays hard-to-get and says yes to two dates.

Tom has some good news. Mary's not in touch with herself and witnesses the wounding of the Lackawanda Institute.

Martha confides in Mary and tells her about the ozone. Mary talks to Heather about love and slaps her in the face.

The Shumways are warned about Sergeant Foley from the one he loves. Mary tells of the meaning of STET and loses more than her arm. Muriel talks of Charlie's "base instincts."

Mary feels awful and Roberta says "great." Mary tells Dennis he must forget Cathy. Mary confides in Cathy, who hates her.

Mary wonders about international conspiracy and makes the morning meal. Cathy and Dennis play games. Mary gets a gift from Dennis, but has nothing to give him, except maybe one thing.

Mary can't get out of bed. Muriel gets breakfast from Loretta and an ultimatum from Charlie. Muriel's extortion scheme falls flat off her face.

Modern medicine triumphs. Mary thinks she feels great. Charlie and Loretta share another announcement. Muriel wants sympathy - and five thousand dollars.

Mary's breakfast is a failure. Loretta's career is a success. Mary attempts to save Cathy from a tragedy with a reading from TV Guide.

Sergeant Foley tries the two-timer two-step. Loretta warms up for her Hollywood debut. Charlie counts toes and ends up a father.

The Haggers say "hooray for Hollywood." Mary denies her sister's wedding day wish for the sake of cholesterol. Charlie makes plans for a VIP tour. Mary wonders if Loretta will forget.

Mary has hopes for Loretta's success. Mary's emergency is a job for Otto Feurenbach. Charlie and Loretta are in a room that's not green.

It's Loretta's big day on the Dinah show and all goes great until she commits a shocking blooper.