Fiona wants to experience what it's like to float on a cloud. The Piggies create a homemade floating cushion, but it is so relaxing that Wilf falls asleep on it... and floats away! The Piggies must catch that cloud before it drifts too far.

Brian sets up a treasure hunt for the Piggies and is excited to challenge them with riddles tailored to their building skills! But Wilf is determined to find the treasure first - and keep it for himself. He might just ruin this unforgettable day…

Kitty asks the Piggies to build a bouncing machine for her and Sacha. When it takes too long, she decides to take matters into her own hands and build it herself, which leads to bouncy chaos!