Ricky has a new snow globe for his collection. When the kids discover he has room on his shelf for one more snow globe, they have suggestions where he could go and find one. Ricky is ready to go. Trouble is, Ricky's suitcase is overstuffed. But the kids cooperate on building a homemade snow globe of Ricky's Room.
How can the kids continue to have fun at Ricky's Room after dark? Ricky suggests holding a sleepover. Stephanie believes it's perfect for her and her bedtime companion, Mortimer the Teddy Bear. But she loses Mortimer in the course of setting up tents.
Nicki comes down with a cold, thwarting plans for everyone to go to the zoo. But the kids decide to construct a zoo of their own in Ricky's Room.
The kids discuss the various jobs their parents have. Ricky asks everyone what he or she wants to be, which poses a problem for an uncertain Nicki.
Harold's latest invention: an organizer machine! Jonathon shows the group his rock collection from home, but when his prized quartz turns up missing it's up to Ricky to show everyone how to be organized on their own.
Everyone is dressed in a buttoned-down homemade costume. But when they find a loose button on the floor, no one can figure out who lost it.
Bradley borrows his sister's precious music box and takes it to Ricky's Room. Fearful that something will happen to it, he and Ricky's other friends find other ways to produce music and musical instruments.
Stephanie has brought three items to Show and Tell while everyone else has brought one. It's difficult for Stephanie to choose which item is her favorite, so she waits and waits while everyone else shows off stuff.
When Willy needs an idea for a school project, everyone suggests different construction ideas.
The Detective Club is beset with its first mystery: Where did an orange dump truck come from?
Ricky and the kids discuss homes for different animals while facing the task of building a bigger house for a dog.
Harold wants to demonstrate his anti-hiccup machine. Since no one has the hiccups, Harold tries the machine on himself – but the machine gives him the hiccups. Now it's up to everyone to think of a sure hiccup cure.
Everyone is working hard to ensure that Cousin Harold's birthday party remains a surprise. One thing unintentionally surprises Ricky: Where is Harold's birthday present?
Ricky and Cousin Harold have staged a dinosaur-bone dig for the kids. In the course of their big dinosaur talk, Jason is upset because he is too small.
Ricky and Harold stage a day of games for the kids, who learn it's important to try your best.
In preparation for a bake sale, everyone helps David bake a batch of cookies the right way.
Jennifer wants to build a brick tower, but before anyone can measure it, the tower collapses. Her friends offer a number of ways to strenghten and protect a rebuilt brick tower.
Seth has to decide what he can do to welcome his new baby sister into his household.
All the kids are preparing for a school dance, but they need the right music. Ricky and Nicki lead them through several decades of popular dances.