De Li finds a frog in her garden. When the frog sees her, it makes a strange sound. De Li thinks the sound is very funny. She brings the other Piplings to see the frog and hear the sound, but the frog stays quiet.
Franny lands in a dance studio where she meets Flash a little boy who would like to dance but is too unsure of himself. Then Franny whirls and twirls to Jamaica where she meets Jonny, a local boy who's received a camera for his birthday.
Topsy and Tim are going to visit their new school and meet their new teacher but they're worried about getting lost. Their new school is a big place. Topsy thinks of an idea which will make sure the twins don't lose each other.
The soccer team is playing an important game and all the engines are given special jobs to help with the big day. Thomas is asked to bring the team to the match and Emily is asked to bring the team's laundry. Emily is not happy about this.
Olive was cat-sitting Ray's cat and it's gone missing. Justin the detective is on the case! Then Justin and the gang are on a mission to recover stolen piatas, to bring them back to the biggest party of the year- the annual fiesta.
Roger and the bots try to make a girl’s bean plant grow quickly but accidentally supersize it so it grows way up into the clouds. Then, Roger and the crew go on a mission to find a girl’s favourite hat.
The Yup Yups create silly hats to amuse their siblings./ Pink is a caterpillar and having trouble flying but with a little encouragement she transforms into a beautiful butterfly and soars through the air.