As the valley evacuates under the threat of volcanic eruption, Moomintroll helps Snufkin on a perilous quest to return a lost fire spirit to her home.

In an attempt to set a good example for his family, Moominpappa becomes a changed Moomin when he decides to get a job. But all is not what it seems.

When Moomintroll gets his wish to be free of the troublesome Little My, he soon comes to regret it

When Moominmamma is accused of an unlikely crime, Moomintroll turns detective to try to save her. Can he succeed where his father couldn't?

Moomintroll and his friends find a magical and mysterious hat. While fun to begin with, they soon realise that the hat is dangerous.

In his desire for more independence, Moomintroll pushes Moominmamma away. But he soon becomes jealous when she finds a new outlet for her motherly love.

A trial is set to find the rightful owner of a mysterious ruby. But in fighting over the precious gem, what truths will the inhabitants of Moominvalley learn?

Moomintroll decides to move into his own place with Snorkmaiden. But is he ready to give up the care and comfort of Moominmamma and Moominpappa?

Moominpappa is desperate to guide his family and prove that they can thrive on a desolate island but it only seems to push them further apart.

Moominmamma is so homesick that she finds a magical way to travel back to Moominvalley until she becomes trapped.

Being stuck on the island with his parents, Moomintroll realises he needs his own space, so he starts his own secret adventure.

Puzzled by the continued absence of the Moomin family, the inhabitants of Moominvalley try their best to welcome new guest, Toffle.