Zuzu is disappointed when his new cricket does not sing as promised; Poppy suggests they head out in the hot air balloon to find a place the cricket likes to sing.
Alma is missing one rare flower in her pressed collection, so Poppy suggests a train ride to Yodel Mountain, where they find the 'Alpine Honeyblossom'.
While watching 'Rocket Cat,' there is a powercut, leaving Poppy and friends to worry about the fate of their hero, who is trapped in the Marshmallow Mines.
Poppy and her friends make bubbles in the garden during which Mo proves to be the champion bubble-blower but an inept Zuzu pouts that bubbles are no fun.
After a chrysalis hatches a beautiful jungle butterfly, Poppy and the gang decide to take it back to Flutterby Falls in the hot air balloon so it can be with its friends.
When Zuzu learns that mountains are named after the person who discovers them, the gang heads off in the hot air balloon to find an unnamed mountain on which to plant a flag.
When Poppy and her friends decide they need gold for their statue they are building Cecil the Toad King, they go off in the submarine to the Sea of Shipwrecks to find a sunken ship with treasure.
Poppy's friends present her with a birthday cake and gifts, including a mysterious treasure map which leads them on an adventure in the hot air balloon to Mystery Jungle.
A birthday gift to 'Little Opie' drops from the sky, so Poppy and friends set off in the submarine to the depths of the ocean to find the young octopus.
In the course of making what he calls a tree of birds - an art project from which hang little instant pictures of all the birds in the world - Mo finds he is missing only one - the Red Tipped Babblebird.
As the gang look for shooting stars upon which to make a wish, Poppy misses the star, so her friends insist they take the rocket and look for another one.
After Mo's gift of a tiny seashell to Alma does not yield the sound of the ocean, the gang set out on the ship for a faraway island to find bigger shell.
When the tip of Owl's magic wand falls off right after he made Zuzu's skateboard disappear, Poppy suggests they go to the Magic Jungle to look for Abracadabra Stone for the wand.
Poppy's friends encourage her to be the first cat to fly around the world, setting a new record, so they're off in the hot air balloon to the Arctic to start the journey.
The gang hear a distress call from Rocket-Cat on Zuzu's new Rocket-Cat radio, and decide to take their rocket to the dark side of the Green-Cheese Moon.
While digging a swimming pool, the gang discovers a piece of tile covered in picture writing and Owl decides that his old friend, Professor Peanut could decipher it.
Zuzu excitedly presents Owl with a homemade waving wooden walrus but when the walrus mysteriously disappears, the friends head out in the hot air balloon to the mountains to see if Mother Bumblebird has seen it.
Zuzu's desire to play a form of football called 'Keepy Uppy' leads the gang to fly to the Great Green, where they will have no obstacles to keep the ball in the air.
The friends go on a camping adventure by train to the Blue Rock Mountains to see stars, but Zuzu confesses to Poppy that he's never been camping because he's afraid of the dark.
Alma's cousin Chester is playing with the gang when a giant hula-hoop falls from the sky from the planet Teeny-Tiny; they decide to take it back and show Chester outer space.