David has a rival, and his name is Will Thornberry - his next door neighbor.

Ozzie decides to diet so he can fit into a pair of size 33 pants.

Ozzie quickly regrets advising David against allowing people to take advantage of his good nature.

On Halloween night, Ozzie and Thorny make plans to attend a non-costume party as Satan and a Scotsman. Meanwhile Ricky and David attend a Halloween Party at school and the Nelson household is besieged by children demanding candy - or else.

Ozzie has tickets to the Riviera Ballet, but Harriet doesn't want him to go because the actresses will be wearing skimpy bathing suits.

David gets a babysitting job and Ozzie is worried about David and the baby.