Doodles teaches Izzles lots of things, but allows Squiggles to take the blame for his mistakes. In the end, Doodles learns to be honest, and tells the Tweenies that he has behaved badly.

Max and Judy have to make a decision about Squiggles' future with the Tweenies. Doodles has a word with her and Squiggles starts to behave. The Tweenies are delighted that Squiggles can stay now she is behaving herself.

Jake is curious about whales. He wants to know how big a blue whale really is, and tries to find out.