After making a hasty return to Moominvalley, only to find the Moomin family have gone away, Snufkin accepts that he can't replace them. He must have faith he will see them again one day, and move on.

Undergoing his own island struggle, Moomintroll realizes he must break away from his parents and overcome childish fears to truly make his transition into independence. His parents finally come to terms with their little Moomin growing up.

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

Moominpappa is desperate to be the guiding light of his family again, but his efforts to become the new lighthouse keeper and prove that they can thrive on the desolate island only seems to push them further apart.

Moomintroll wants to try to stand on his own two feet and moves into his own place with Snorkmaiden. But is Moomintroll ready to give up the care and comfort of Moominamma and Moominpappa?

Sniff learns that friends are far more important than possessions when he tries to make himself rich by defending the Groke in Moominpappa's impromptu court case, and the Hobgoblin finally arrives in Moominvalley.

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.

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

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

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

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.

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.

When a charismatic winter sports champion arrives in the valley, Moomintroll struggles to win back Snorkmaiden's affections.