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

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?

Muumipapa otsustab, et on aeg midagi muuta. Ta viib perekonna üksikule saarele ja hakkab ise seal majakavahiks. Aga saar ei võta muumiperet just kõige paremini vastu.

Muumimamma igatseb väga Muumioru järele ja hakkab seda mälu järgi üles joonistama.

Mammal on seinamaal ja papal on majakas. Muumitroll tahab ka leida saarelt midagi, mis oleks ainult tema oma.

Talv jõuab kätte ja Muumioru asukad on segaduses, sest muumiperet pole ikka veel. Ühel päeval saabub orgu uus loomake...