An unscrupulous baseball coach tries to get Willis to switch schools and join his team.

A classmate who fears he's about to lose his foster home cons Arnold into persuading Drummond to adopt him.

The trials of an immigrant seeking citizenship provide a lesson for Arnold, who has been failing in American history. A failed backdoor pilot for a spinoff series.

Drummond learns that he's heir to property in Harlem that was owned by his ancestor, a slave trader.

Drummond finds his new division director quite charming despite the fact that everyone else dislikes her

Magician Arnold "disappears" when a writer visits to do a story on the household.

Arnold balks at inviting the girl next door to his party, but his attitude changes when he learns she's hospitalized.

Disguised by makeup, 15-year-old Kimberly goes out with an "older man" who thinks she's ripe for romance

A threatening telephone call casts a pall on Arnold's happy participation in a school program.

Arnold's poor dental checkup and a visit by health-minded Aunt Sophia spark Drummond's crusade to rid the school of junk-food machines.

The boys try to prove to old friends that they haven't forgotten their roots.

Arnold helps the doorman finance a long shot at the race track.

Drummond arranges for Arnold to see two people who might ease the boy's concern about his size.

Arnold helps Willis with a romantic intrigue

Drummond quietly intercedes when Arnold is rejected by a peewee football team.

A telephone message has even Drummond thinking that Kimberly is pregnant

While Drummond is hospitalized, his partner takes control of the business.

Drummond is hospitalized with a serious injury.

Arnold is so taken with the temporary housekeeper that he concocts a romantic scheme to make her Drummond's new wife.

Arnold takes a hobby shop to small-claims court over a defective electric train.

Drummond tries to negotiate with the bank robbers holding Arnold and Willis hostage.

Arnold's first date is held up when he and Willis are taken hostage during a holdup.