Chet goes to great lengths to obtain a valve needle which he needs in order to inflate basketballs for his gym class.

Chet starts dating a substitute teacher from the high school, and has difficulty finding time to spend alone with her.

Chet is asked to help straighten out Raymond, a youngster who has a penchant for stealing. In an effort to keep Raymond out of trouble, Chet finds a spot for him on his little league baseball team. But Raymond steals the money that Chet had saved up which was intended to buy uniforms for the team. In the end, Raymond realizes what he did was wrong and returns the money to Chet.

Chet is wrongfully accused and arrested for breaking a gumball machine. Tom Bosley guest stars as Cookie Maharg.

One of Chet's fellow teachers from the high school is a part time real estate agent. Chet spends a weekend helping him out, trying to sell a house. Chet sells the house, but the couple who put the house up for sale change their mind.

A female student at the high school is convinced she is destined to be an actress and is certain she will win an acting contest she has entered. Chet then tells her about the time he missed his own surprise birthday party to try and teach her a lesson about anticipation and being overconfident.

Will Geer guest stars in this episode as a lonesome elderly man looking for companionship. He befriends Chet, and becomes too demanding of Chet's time, but they end up compromising and spend some quality time together.

Don Knotts guest stars in this episode as a shifty repossessor who's trying to repossess Chet's television set.

Students at the high school organize a lockout of the teachers cafeteria, requesting that they have input over what foods go on the student menu. Chet helps the students and cafeteria manager reach a compromise. But when the same students have a grievance with Chet's gym class, Chet is not as willing to cooperate.

Chet's mother is going out of town, so Chet's father comes to stay with him while she is away. As they spend time together, they discover that things have changed and they don't have as much in common anymore.