Spyler and CeCe try to boost Mumble Monster's self-confidence when he doesn't think he looks good in pictures; CeCe plants a seed and waits for it to grow while it rains.
CeCe cooks up an idea for an I Spy bike race, but they have no bikes; Spyler tries to help when CeCe gets a bad case of the hiccups.
Spyler and CeCe create a band, but find they're missing important sounds; CeCe and Spyler are ready to blast off to the moon, but their countdown machine is missing numbers.
CeCe and Spyler build a robot to clean the house; Spyler and CeCe come home to find a baby lamb.
Spyler and CeCe go stargazing; they decide they want to put on a circus, but they have no act.
Spyler, CeCe and their friends try to find the Mumble Monster; CeCe is making a scrapbook of her life.
CeCe loves playing fetch, so she and Spyler make a machine that throws things for her to fetch; Long John Spyler and Jolly Roger CeCe are pirates, but without treasure.
Spyler and CeCe want to build an aircraft to take part in the I Spy Up in the Sky race; Spyler and CeCe need to find their gear for the I Spy Chaseball Baseball season.
Mumble isn't sleepy for his midday nap and he's hungry, so Spyler and CeCe must find him food; Spyler and CeCe put on a puppet play.
Spyler and CeCe are all ready to play rodeo. But they're missing some gear! / Spyler and CeCe are fishing for a new friend.
Spyler and CeCe build a scarecrow to stop a crow from waking them up; Spyler and CeCe make a pizza.
Spyler and CeCe's favorite truck, Wheeler, is stuck in the sand; Spyler and CeCe's fun is interrupted by the wind.
Spyler and CeCe pretend they are explorers by camping outside at night; Spyler and CeCe help the trucks set up for the First Annual Monster Truck Jamboree.
Spyler and CeCe are trying to make a movie starring the Mumble Monster. / Spyler and CeCe decide to write a book of their own!
Duck plans a surprise birthday party for Spyler and CeCe. / Spyler and CeCe want to help their little mice friends by building them a house!
Spyler and CeCe want to help the marbles find something to do. / Spyler and CeCe find some strange items while cleaning up.
Spyler and CeCe are taking turns jumping and twirling. / Spyler and CeCe try to plan a talent show, but not everything works out as planned.
CeCe decides to start a collection of things that are red. / During Spyler and CeCe's disappearing cat magic trick, something goes wrong.
After trying to find out how to be superheroes, Spyler and CeCe discover that they were heroes all along! / Spyler and CeCe have a sleepover.
CeCe thinks she and Spyler should open a detective agency so they can solve mysteries! / Spyler decides to make a fan to fight the heat.
Spyler and CeCe have so much fun vrooming around in their car. / Spyler and CeCe help find the Queen.
Spyler and CeCe put on a musical. / Spyler and CeCe decide to have a sled race.
Pieces keep falling off of Spyler and CeCe's favorite robot, Clankenspy. / Spyler and CeCe make up a new game.
Spyler and CeCe try to help a dinosaur scratch an itch. / Spyler and CeCe need to find a few items before they can play "Gumdrop Bowling Golf."
Spyler, CeCe and a pig are rehearsing a play, but they keep getting interrupted. / Spyler and CeCe rescue the I SPY Express Train.
Spyler has a huge case of the sniffles and CeCe wants to make him a big glass of juice. / Spyler and CeCe would like to play with real animals.
