When Lucy Carter (Lucille Ball) discovers her boss and brother-in-law, Harrison Carter (Gale Gordon) is planning a lavish teenage party for the daughter of his best client, she promoted the musical services of her son, Craig (DESI ARNAZ), and daughter, Kim (LUCIE ARNAZ). Although Craig, a drummer, shows up with his band, Kim, a singer, comes down with a fast case of laryngitis which forces widow Carter to become a very “Mod, Mod Lucy.”

Lucy Carter (LUCILLE BALL), learns that secretaries don’t rate when it comes to school holidays. So instead of spending the day on a family picnic, Lucy is assigned the arduous task of serving a court summons to the rude Mrs. Ryker (RETA SHAW) who proves to be quite evasive in the midst of a crowd of frantic women during a department store bargain.

Lucy Carter (LUCILLE BALL) becomes the key figure in a counter-intelligence plot to steal a microfilmed list of secret agents from Korlik (JOSEPH RUSKIN), the Slavatony ambassador in “Lucy’s Impossible Mission.”

Determined to sell WAYNE NEWTON on hiring her son Craig (DESI ARNAZ, JR.) as his drummer, Lucy Carter (LUCILLE BALL) turns an audition into one of the most zany experiences in the history of the music profession during the “Lucy Sells Craig to Wayne Newton” segment of “Here’s Lucy.”

Lucy Carter (LUCILLE BALL) turns theatrical agent and attempts to hire Guest Star VAN JOHNSON to fly to Texas and sing “Happy Birthday” to a cow owned by an eccentric Texas Millionaire (JEFF DeBENNING).

Motherhood gets the best of Lucy Carter (LUCILLE BALL) when her daughter, Kim (LUCIE ARNAZ) lands her first job as a sales clerk in a dress shop. In a serious of hilarious attempts to help her daughter, Lucy goes on a buying spree and in the process alienates a chubby female customer who insists on buying a dress that’s sizes too small for her.

Lucy (LUCILLE BALL) goes to a party with a handsome, newfound bachelor friend, who turns out to be a jewel thief. Lucy learns the truth and she and Harry (GALE GORDON) see to his arrest. The handsome bachelor-thief is Lucy’s guest star, CESAR ROMERO.

Lucy (LUCILLE BALL) and Uncle Harry (GALE GORDON) try to capture an escaped wild animal called a gorboona, but before they succeed, Lucy herself is put to sleep by a hunter’s tranquilizing gun – fired by the animal itself.

Lucy, Uncle Harry, Kim and Craig become involved in a counter intelligence mission only to find that the suspect is in reality a greeting card writer trying to prevent his doggerel from being stolen by competitors. VICTOR BUONO joins LUCILLE BALL, GALE GORDON, LUCIE ARNAZ and DESI ARNAZ, JR. as guest star.

When a lamp at Harry Carter’s (GALE GORDON) home doesn’t work, Lucy (LUCILLE BALL) offers to repair the wall switch. Before she’s finished, Harry’s arm is caught in the wall opening; the phone becomes disconnected, his favorite chandelier smashed and a pile of plaster “decorates” his rug. Lucy’s son Craig (DESI ARNAZ, JR.) solves the problem; the lamp was never plugged in in the first place.