"Guess Who's Gumming to Dinner?" is the second segment of the twentieth episode of the Adventures of the Gummi Bears. It premiered on November 15, 1986 alongside "Little Bears Lost", and is the second segment of the seventh episode in the second season.
After an autumn of hard work and preparation for the coming winter, the Gummis are looking forward to the holiday of Fall's Farewell, but Sunni goes overboard with the celebration trying to impress Calla.
- This episode's name is a play on the phrase "Guess who's coming for dinner"
- This is the only episode where the Gummi Bears wear formal attire.
- This is also the only episode where Calla wears her hair in a braid at a formal event.