Stella (Linda Jablonská, 11) is taking a bath in Moreau's "hotel" room at the camp. While taking her clothes off for her bath, she tells him to leave, but she comes out of the bathroom naked to talk with him.
Pipo (Jozef Vrábel, 11) finds the tree-house. The Czech writing says something as "nuclear - don't touch". The only ability to open the door without getting poisoned is to take off what he wears. Full frontal and rear nudity.