S1·E6 Tiny Guests
Aired May 17, 1990
Synopsis
One day two very small guests arrive at Moominhouse. They bring a suitcase, so Moominpappa knows they have come to stay and builds a small bed. Everybody is dying to know what's inside the suitcase, which Thingumy and Bob guard day and night. The terrible Groke knows, however, and she is coming to get it.