How Do You Do? Tamagotchi/Tamagotchi Planet's Tears 

Mametchi chats with an old lady, who turns out to be in a troubling situation. She came to DoriTama Town for a sightseeing tour, but she seems to have gotten lost.
"Gottsun" occurrences are beginning to happen very frequently. Mametchi is worried because he had a dream of Tamagotchi Planet with a sad face. Everyone goes to Mamemame Laboratory to verify this.