English version of "Noc grozy", adapted by
Anne Wood of the production company FilmFair, was shortened and re-edited to a ~5 minute episode titled "The Volcano". It was originally broadcast in the UK in 1983 (as episode 49) on "Children's ITV" (on Central Independent Television). Missing from the UK episode:
- The opening shot of the Moominvalley; a close-up of Moominmamma with a wooden toy boat; Little My watching the ash coming from the sky, a wide shot of the volcano shooting ash; a shot of Mymble, and Moominpappa with a newspaper.
- A panning shot of the river with Moomintroll; the wooden boat floating in the river, and some additional shots of Moomintroll and Moominmamma by the riverbank.
- The sequence at the breakfast table, where Moominmamma is preparing breakfast, the children are bringing chairs and cakes, and Moominmamma is serving tea.
- Moomintroll, Moominmamma and Sniff in the garden at night, and a shot of Moomintroll and Snork Maiden preparing to go to sleep; the sequence at night where Moomintroll and Snork Maiden have some trouble sleeping, Snork Maiden is alerted when the earth starts to tremble, and Moomintroll and Snork Maiden having a conversation before the earth trembles again.
- The Moomin family walking to the house and a close-up of Snork Maiden; additional shot of the porch where the Moomin family is watching; the water rises to just below the porch; Little My and some furniture floating inside the house; Moomintroll, Moominpappa and Mymble at the interior balcony; the children floating with the furniture downstairs.
- The original ending shot where Moominpappa's hat is floating in the water, and some shots of the flooded exterior.